2122111121012 has 24 divisors (see below), whose sum is σ = 3848407422720. Its totient is φ = 1022832506880.

The previous prime is 2122111120993. The next prime is 2122111121023. The reversal of 2122111121012 is 2101211112212.

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, 33263462 + ... + 33327197.

It is an arithmetic number, because the mean of its divisors is an integer number (160350309280).

Almost surely, 2^{2122111121012} is an apocalyptic number.

It is an amenable number.

2122111121012 is a deficient number, since it is larger than the sum of its proper divisors (1726296301708).

2122111121012 is a wasteful number, since it uses less digits than its factorization.

2122111121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66590951 (or 66590949 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2122111121012 its reverse (2101211112212), we get a palindrome (4223322233224).

The spelling of 2122111121012 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, twelve".