1020100211021 has 8 divisors (see below), whose sum is σ = 1040444630400. Its totient is φ = 999941585760.

The previous prime is 1020100210973. The next prime is 1020100211041. The reversal of 1020100211021 is 1201120010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020100211021 - 2³⁸ = 745222304077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020100210993 and 1020100211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020100211041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46437440 + ... + 46459401.

It is an arithmetic number, because the mean of its divisors is an integer number (130055578800).

Almost surely, 2^{1020100211021} is an apocalyptic number.

It is an amenable number.

1020100211021 is a deficient number, since it is larger than the sum of its proper divisors (20344419379).

1020100211021 is an equidigital number, since it uses as much as digits as its factorization.

1020100211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92897059.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020100211021 its reverse (1201120010201), we get a palindrome (2221220221222).

The spelling of 1020100211021 in words is "one trillion, twenty billion, one hundred million, two hundred eleven thousand, twenty-one".