21122010111202 has 64 divisors (see below), whose sum is σ = 43576980265728. Its totient is φ = 7411051008000.

The previous prime is 21122010111151. The next prime is 21122010111203. The reversal of 21122010111202 is 20211101022112.

It is a super-2 number, since 2×21122010111202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122010111203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128581999 + ... + 128746162.

It is an arithmetic number, because the mean of its divisors is an integer number (680890316652).

Almost surely, 2^{21122010111202} is an apocalyptic number.

21122010111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122010111202 is an abundant number, since it is smaller than the sum of its proper divisors (22454970154526).

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

21122010111202 is a wasteful number, since it uses less digits than its factorization.

21122010111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257328235.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21122010111202 its reverse (20211101022112), we get a palindrome (41333111133314).

It can be divided in two parts, 21122010 and 111202, that added together give a palindrome (21233212).

The spelling of 21122010111202 in words is "twenty-one trillion, one hundred twenty-two billion, ten million, one hundred eleven thousand, two hundred two".