20100211122 has 16 divisors (see below), whose sum is σ = 40201892640. Its totient is φ = 6699825312.

The previous prime is 20100211099. The next prime is 20100211139. The reversal of 20100211122 is 22111200102.

It is a junction number, because it is equal to n+sod(n) for n = 20100211098 and 20100211107.

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, 206398 + ... + 287750.

It is an arithmetic number, because the mean of its divisors is an integer number (2512618290).

Almost surely, 2^20100211122 is an apocalyptic number.

20100211122 is an abundant number, since it is smaller than the sum of its proper divisors (20101681518).

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

20100211122 is a wasteful number, since it uses less digits than its factorization.

20100211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122537.

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

Adding to 20100211122 its reverse (22111200102), we get a palindrome (42211411224).

The spelling of 20100211122 in words is "twenty billion, one hundred million, two hundred eleven thousand, one hundred twenty-two".