22121201011002 has 16 divisors (see below), whose sum is σ = 44590767393792. Its totient is φ = 7315672775040.

The previous prime is 22121201010973. The next prime is 22121201011031. The reversal of 22121201011002 is 20011010212122.

It is an interprime number because it is at equal distance from previous prime (22121201010973) and next prime (22121201011031).

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, 14515222999 + ... + 14515224522.

It is an arithmetic number, because the mean of its divisors is an integer number (2786922962112).

Almost surely, 2^{22121201011002} is an apocalyptic number.

22121201011002 is an abundant number, since it is smaller than the sum of its proper divisors (22469566382790).

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

22121201011002 is a wasteful number, since it uses less digits than its factorization.

22121201011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29030447653.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121201011002 its reverse (20011010212122), we get a palindrome (42132211223124).

The spelling of 22121201011002 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred one million, eleven thousand, two".