1021211121022 has 16 divisors (see below), whose sum is σ = 1612850498640. Its totient is φ = 483608017728.

The previous prime is 1021211121019. The next prime is 1021211121031. The reversal of 1021211121022 is 2201211121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021211120987 and 1021211121005.

It is a congruent number.

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, 3281583 + ... + 3579274.

It is an arithmetic number, because the mean of its divisors is an integer number (100803156165).

Almost surely, 2^{1021211121022} is an apocalyptic number.

1021211121022 is a deficient number, since it is larger than the sum of its proper divisors (591639377618).

1021211121022 is a wasteful number, since it uses less digits than its factorization.

1021211121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864795.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021211121022 its reverse (2201211121201), we get a palindrome (3222422242223).

The spelling of 1021211121022 in words is "one trillion, twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, twenty-two".