2222122121012 has 48 divisors (see below), whose sum is σ = 3962876568000. Its totient is φ = 1089971251200.

The previous prime is 2222122120949. The next prime is 2222122121029. The reversal of 2222122121012 is 2101212212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167713364 + ... + 167726612.

It is an arithmetic number, because the mean of its divisors is an integer number (82559928500).

Almost surely, 2^{2222122121012} is an apocalyptic number.

It is an amenable number.

2222122121012 is a deficient number, since it is larger than the sum of its proper divisors (1740754446988).

2222122121012 is a wasteful number, since it uses less digits than its factorization.

2222122121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072 (or 15070 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2222122121012 its reverse (2101212212222), we get a palindrome (4323334333234).

The spelling of 2222122121012 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, twelve".