22020211111031 has 16 divisors (see below), whose sum is σ = 26646836198400. Its totient is φ = 17763850377600.

The previous prime is 22020211111027. The next prime is 22020211111069. The reversal of 22020211111031 is 13011111202022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22020211111031 - 2² = 22020211111027 is a prime.

It is a super-2 number, since 2×22020211111031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020211111531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4247270 + ... + 7879068.

It is an arithmetic number, because the mean of its divisors is an integer number (1665427262400).

Almost surely, 2^{22020211111031} is an apocalyptic number.

22020211111031 is a deficient number, since it is larger than the sum of its proper divisors (4626625087369).

22020211111031 is a wasteful number, since it uses less digits than its factorization.

22020211111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682774.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22020211111031 its reverse (13011111202022), we get a palindrome (35031322313053).

Subtracting from 22020211111031 its reverse (13011111202022), we obtain a palindrome (9009099909009).

The spelling of 22020211111031 in words is "twenty-two trillion, twenty billion, two hundred eleven million, one hundred eleven thousand, thirty-one".