1021211110002 has 32 divisors (see below), whose sum is σ = 2165385196800. Its totient is φ = 320167658448.

The previous prime is 1021211109959. The next prime is 1021211110019. The reversal of 1021211110002 is 2000111121201.

It is a super-3 number, since 3×1021211110002³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021211110002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32207148 + ... + 32238839.

It is an arithmetic number, because the mean of its divisors is an integer number (67668287400).

Almost surely, 2^{1021211110002} is an apocalyptic number.

1021211110002 is an abundant number, since it is smaller than the sum of its proper divisors (1144174086798).

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

1021211110002 is a wasteful number, since it uses less digits than its factorization.

1021211110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64446150.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021211110002 its reverse (2000111121201), we get a palindrome (3021322231203).

The spelling of 1021211110002 in words is "one trillion, twenty-one billion, two hundred eleven million, one hundred ten thousand, two".