10121102211020 has 24 divisors (see below), whose sum is σ = 21262672718784. Its totient is φ = 4046848870016.

The previous prime is 10121102210981. The next prime is 10121102211079. The reversal of 10121102211020 is 2011220112101.

It is a junction number, because it is equal to n+sod(n) for n = 10121102210986 and 10121102211004.

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, 99448769 + ... + 99550488.

It is an arithmetic number, because the mean of its divisors is an integer number (885944696616).

Almost surely, 2^{10121102211020} is an apocalyptic number.

10121102211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121102211020 is an abundant number, since it is smaller than the sum of its proper divisors (11141570507764).

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

10121102211020 is a wasteful number, since it uses less digits than its factorization.

10121102211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199001809 (or 199001807 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121102211020 its reverse (2011220112101), we get a palindrome (12132322323121).

The spelling of 10121102211020 in words is "ten trillion, one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, twenty".