2122211011012 has 24 divisors (see below), whose sum is σ = 3738423209976. Its totient is φ = 1054111131648.

The previous prime is 2122211011009. The next prime is 2122211011013. The reversal of 2122211011012 is 2101101122212.

It can be written as a sum of positive squares in 4 ways, for example, as 68509921536 + 2053701089476 = 261744^2 + 1433074^2 .

It is not an unprimeable number, because it can be changed into a prime (2122211011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225833 + ... + 3032944.

It is an arithmetic number, because the mean of its divisors is an integer number (155767633749).

Almost surely, 2^{2122211011012} is an apocalyptic number.

It is an amenable number.

2122211011012 is a deficient number, since it is larger than the sum of its proper divisors (1616212198964).

2122211011012 is a wasteful number, since it uses less digits than its factorization.

2122211011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259447 (or 5259445 counting only the distinct ones).

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

Adding to 2122211011012 its reverse (2101101122212), we get a palindrome (4223312133224).

The spelling of 2122211011012 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, eleven thousand, twelve".