22131210303011 has 4 divisors (see below), whose sum is σ = 22162424986800. Its totient is φ = 22099995619224.

The previous prime is 22131210302983. The next prime is 22131210303113. The reversal of 22131210303011 is 11030301213122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22131210303011 is a prime.

It is a super-2 number, since 2×22131210303011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131210303911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15607340831 + ... + 15607342248.

It is an arithmetic number, because the mean of its divisors is an integer number (5540606246700).

Almost surely, 2^{22131210303011} is an apocalyptic number.

22131210303011 is a deficient number, since it is larger than the sum of its proper divisors (31214683789).

22131210303011 is an equidigital number, since it uses as much as digits as its factorization.

22131210303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31214683788.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22131210303011 its reverse (11030301213122), we get a palindrome (33161511516133).

The spelling of 22131210303011 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred ten million, three hundred three thousand, eleven".