1021120100022 has 32 divisors (see below), whose sum is σ = 2228225053824. Its totient is φ = 309384964800.

The previous prime is 1021120100009. The next prime is 1021120100041. The reversal of 1021120100022 is 2200010211201.

It is a junction number, because it is equal to n+sod(n) for n = 1021120099980 and 1021120100007.

It is a congruent number.

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, 679288 + ... + 1582299.

It is an arithmetic number, because the mean of its divisors is an integer number (69632032932).

Almost surely, 2^{1021120100022} is an apocalyptic number.

1021120100022 is an abundant number, since it is smaller than the sum of its proper divisors (1207104953802).

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

1021120100022 is a wasteful number, since it uses less digits than its factorization.

1021120100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268444.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021120100022 its reverse (2200010211201), we get a palindrome (3221130311223).

The spelling of 1021120100022 in words is "one trillion, twenty-one billion, one hundred twenty million, one hundred thousand, twenty-two".