22121001111002 has 8 divisors (see below), whose sum is σ = 33181704500736. Its totient is φ = 11060432944092.

The previous prime is 22121001110981. The next prime is 22121001111043. The reversal of 22121001111002 is 20011110012122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33395738 + ... + 34051685.

It is an arithmetic number, because the mean of its divisors is an integer number (4147713062592).

Almost surely, 2^{22121001111002} is an apocalyptic number.

22121001111002 is a deficient number, since it is larger than the sum of its proper divisors (11060703389734).

22121001111002 is a wasteful number, since it uses less digits than its factorization.

22121001111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67611412.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22121001111002 its reverse (20011110012122), we get a palindrome (42132111123124).

The spelling of 22121001111002 in words is "twenty-two trillion, one hundred twenty-one billion, one million, one hundred eleven thousand, two".