22021121202010 has 32 divisors (see below), whose sum is σ = 45300809912832. Its totient is φ = 7550062410240.

The previous prime is 22021121202001. The next prime is 22021121202023. The reversal of 22021121202010 is 1020212112022.

It is a happy number.

It is a super-2 number, since 2×22021121202010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16805770 + ... + 18068650.

It is an arithmetic number, because the mean of its divisors is an integer number (1415650309776).

Almost surely, 2^{22021121202010} is an apocalyptic number.

22021121202010 is an abundant number, since it is smaller than the sum of its proper divisors (23279688710822).

22021121202010 is a wasteful number, since it uses less digits than its factorization.

22021121202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511998.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021121202010 its reverse (1020212112022), we get a palindrome (23041333314032).

The spelling of 22021121202010 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-one million, two hundred two thousand, ten".