20212102131122 has 64 divisors (see below), whose sum is σ = 33332999731200. Its totient is φ = 9115811496000.

The previous prime is 20212102131107. The next prime is 20212102131167. The reversal of 20212102131122 is 22113120121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212102131094 and 20212102131103.

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, 2035248497 + ... + 2035258427.

It is an arithmetic number, because the mean of its divisors is an integer number (520828120800).

Almost surely, 2^{20212102131122} is an apocalyptic number.

20212102131122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212102131122 is a deficient number, since it is larger than the sum of its proper divisors (13120897600078).

20212102131122 is a wasteful number, since it uses less digits than its factorization.

20212102131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20212102131122 its reverse (22113120121202), we get a palindrome (42325222252324).

The spelling of 20212102131122 in words is "twenty trillion, two hundred twelve billion, one hundred two million, one hundred thirty-one thousand, one hundred twenty-two".