2122111022012 has 24 divisors (see below), whose sum is σ = 3840238107216. Its totient is φ = 1025497744128.

The previous prime is 2122111021981. The next prime is 2122111022051. The reversal of 2122111022012 is 2102201112212.

It is a congruent number.

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, 74686973 + ... + 74715380.

It is an arithmetic number, because the mean of its divisors is an integer number (160009921134).

Almost surely, 2^{2122111022012} is an apocalyptic number.

It is an amenable number.

2122111022012 is a deficient number, since it is larger than the sum of its proper divisors (1718127085204).

2122111022012 is a wasteful number, since it uses less digits than its factorization.

2122111022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149402477 (or 149402475 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122111022012 its reverse (2102201112212), we get a palindrome (4224312134224).

The spelling of 2122111022012 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, twelve".