22121010020002 has 8 divisors (see below), whose sum is σ = 33288208005312. Its totient is φ = 11024940684900.

The previous prime is 22121010019967. The next prime is 22121010020069. The reversal of 22121010020002 is 20002001012122.

It is a happy number.

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, 17782161774 + ... + 17782163017.

It is an arithmetic number, because the mean of its divisors is an integer number (4161026000664).

Almost surely, 2^{22121010020002} is an apocalyptic number.

22121010020002 is a deficient number, since it is larger than the sum of its proper divisors (11167197985310).

22121010020002 is a wasteful number, since it uses less digits than its factorization.

22121010020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35564325104.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22121010020002 its reverse (20002001012122), we get a palindrome (42123011032124).

The spelling of 22121010020002 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, twenty thousand, two".