10012121022 has 32 divisors (see below), whose sum is σ = 21104334720. Its totient is φ = 3157794720.

The previous prime is 10012120973. The next prime is 10012121051. The reversal of 10012121022 is 22012121001.

It is a junction number, because it is equal to n+sod(n) for n = 10012120989 and 10012121007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38308 + ... + 146600.

It is an arithmetic number, because the mean of its divisors is an integer number (659510460).

Almost surely, 2^10012121022 is an apocalyptic number.

10012121022 is an abundant number, since it is smaller than the sum of its proper divisors (11092213698).

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

10012121022 is a wasteful number, since it uses less digits than its factorization.

10012121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109128.

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

Adding to 10012121022 its reverse (22012121001), we get a palindrome (32024242023).

The spelling of 10012121022 in words is "ten billion, twelve million, one hundred twenty-one thousand, twenty-two".