222222121200002 has 64 divisors (see below), whose sum is σ = 421511750000640. Its totient is φ = 85348620302400.

The previous prime is 222222121199879. The next prime is 222222121200059. The reversal of 222222121200002 is 200002121222222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6796973 + ... + 22150464.

It is an arithmetic number, because the mean of its divisors is an integer number (6586121093760).

Almost surely, 2^{222222121200002} is an apocalyptic number.

222222121200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222121200002 is a deficient number, since it is larger than the sum of its proper divisors (199289628800638).

222222121200002 is a wasteful number, since it uses less digits than its factorization.

222222121200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948167.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222121200002 its reverse (200002121222222), we get a palindrome (422224242422224).

The spelling of 222222121200002 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, two".