22002112012002 has 64 divisors (see below), whose sum is σ = 44236177539840. Its totient is φ = 7295465160704.

The previous prime is 22002112011863. The next prime is 22002112012019. The reversal of 22002112012002 is 20021021120022.

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, 5129891074 + ... + 5129895362.

It is an arithmetic number, because the mean of its divisors is an integer number (691190274060).

Almost surely, 2^{22002112012002} is an apocalyptic number.

22002112012002 is an abundant number, since it is smaller than the sum of its proper divisors (22234065527838).

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

22002112012002 is a wasteful number, since it uses less digits than its factorization.

22002112012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002112012002 its reverse (20021021120022), we get a palindrome (42023133132024).

The spelling of 22002112012002 in words is "twenty-two trillion, two billion, one hundred twelve million, twelve thousand, two".