212021121022002 has 16 divisors (see below), whose sum is σ = 471158046715680. Its totient is φ = 70673707007316.

The previous prime is 212021121021991. The next prime is 212021121022021. The reversal of 212021121022002 is 200220121120212.

It is a happy number.

212021121022002 is a `hidden beast` number, since 2 + 1 + 20 + 211 + 210 + 220 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963158527928 + ... + 1963158528035.

It is an arithmetic number, because the mean of its divisors is an integer number (29447377919730).

Almost surely, 2^{212021121022002} is an apocalyptic number.

212021121022002 is an abundant number, since it is smaller than the sum of its proper divisors (259136925693678).

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

212021121022002 is a wasteful number, since it uses less digits than its factorization.

212021121022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926317055974 (or 3926317055968 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212021121022002 its reverse (200220121120212), we get a palindrome (412241242142214).

The spelling of 212021121022002 in words is "two hundred twelve trillion, twenty-one billion, one hundred twenty-one million, twenty-two thousand, two".