10222121211020 has 96 divisors (see below), whose sum is σ = 22316961300480. Its totient is φ = 3930503016960.

The previous prime is 10222121210989. The next prime is 10222121211031. The reversal of 10222121211020 is 2011212122201.

It is a self number, because there is not a number n which added to its sum of digits gives 10222121211020.

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 31 ways as a sum of consecutive naturals, for example, 13823312 + ... + 14544008.

It is an arithmetic number, because the mean of its divisors is an integer number (232468346880).

Almost surely, 2^{10222121211020} is an apocalyptic number.

10222121211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222121211020 is an abundant number, since it is smaller than the sum of its proper divisors (12094840089460).

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

10222121211020 is a wasteful number, since it uses less digits than its factorization.

10222121211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721023 (or 721021 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10222121211020 its reverse (2011212122201), we get a palindrome (12233333333221).

The spelling of 10222121211020 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, twenty".