2120101010010 has 64 divisors (see below), whose sum is σ = 5657616201600. Its totient is φ = 564958918656.

The previous prime is 2120101009937. The next prime is 2120101010021. The reversal of 2120101010010 is 100101010212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2120101009974 and 2120101010001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406024 + ... + 3166883.

It is an arithmetic number, because the mean of its divisors is an integer number (88400253150).

Almost surely, 2^{2120101010010} is an apocalyptic number.

2120101010010 is an abundant number, since it is smaller than the sum of its proper divisors (3537515191590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120101010010 is a wasteful number, since it uses less digits than its factorization.

2120101010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574332 (or 5574326 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2120101010010 its reverse (100101010212), we get a palindrome (2220202020222).

The spelling of 2120101010010 in words is "two trillion, one hundred twenty billion, one hundred one million, ten thousand, ten".