22021111213310 has 128 divisors (see below), whose sum is σ = 45414780945408. Its totient is φ = 7609888000000.

The previous prime is 22021111213259. The next prime is 22021111213337. The reversal of 22021111213310 is 1331211112022.

It is a super-2 number, since 2×22021111213310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254603792 + ... + 254690268.

It is an arithmetic number, because the mean of its divisors is an integer number (354802976136).

Almost surely, 2^{22021111213310} is an apocalyptic number.

22021111213310 is an abundant number, since it is smaller than the sum of its proper divisors (23393669732098).

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

22021111213310 is a wasteful number, since it uses less digits than its factorization.

22021111213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87170.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 22021111213310 its reverse (1331211112022), we get a palindrome (23352322325332).

The spelling of 22021111213310 in words is "twenty-two trillion, twenty-one billion, one hundred eleven million, two hundred thirteen thousand, three hundred ten".