2222201121012 has 72 divisors (see below), whose sum is σ = 5861721413184. Its totient is φ = 708496056576.

The previous prime is 2222201121001. The next prime is 2222201121047. The reversal of 2222201121012 is 2101211022222.

It is a happy number.

2222201121012 is a `hidden beast` number, since 222 + 220 + 1 + 1 + 210 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24333228 + ... + 24424380.

Almost surely, 2^{2222201121012} is an apocalyptic number.

It is an amenable number.

2222201121012 is an abundant number, since it is smaller than the sum of its proper divisors (3639520292172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222201121012 is a wasteful number, since it uses less digits than its factorization.

2222201121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120629 (or 120624 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222201121012 its reverse (2101211022222), we get a palindrome (4323412143234).

The spelling of 2222201121012 in words is "two trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, twelve".