10211122020 has 96 divisors (see below), whose sum is σ = 31629782016. Its totient is φ = 2440547200.

The previous prime is 10211121997. The next prime is 10211122043. The reversal of 10211122020 is 2022111201.

It is an interprime number because it is at equal distance from previous prime (10211121997) and next prime (10211122043).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10211121987 and 10211122005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62094 + ... + 155813.

It is an arithmetic number, because the mean of its divisors is an integer number (329476896).

Almost surely, 2^10211122020 is an apocalyptic number.

10211122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211122020 is an abundant number, since it is smaller than the sum of its proper divisors (21418659996).

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

10211122020 is a wasteful number, since it uses less digits than its factorization.

10211122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218001 (or 217999 counting only the distinct ones).

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

Adding to 10211122020 its reverse (2022111201), we get a palindrome (12233233221).

It can be divided in two parts, 10211 and 122020, that added together give a palindrome (132231).

The spelling of 10211122020 in words is "ten billion, two hundred eleven million, one hundred twenty-two thousand, twenty".