22212123311131 has 16 divisors (see below), whose sum is σ = 23996877972480. Its totient is φ = 20438341535520.

The previous prime is 22212123311117. The next prime is 22212123311137. The reversal of 22212123311131 is 13111332121222.

It is a cyclic number.

It is not a de Polignac number, because 22212123311131 - 2²¹ = 22212121213979 is a prime.

It is a super-2 number, since 2×22212123311131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212123311096 and 22212123311105.

It is not an unprimeable number, because it can be changed into a prime (22212123311137) 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, 3461866 + ... + 7510576.

It is an arithmetic number, because the mean of its divisors is an integer number (1499804873280).

Almost surely, 2^{22212123311131} is an apocalyptic number.

22212123311131 is a deficient number, since it is larger than the sum of its proper divisors (1784754661349).

22212123311131 is a wasteful number, since it uses less digits than its factorization.

22212123311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050066.

The product of its digits is 864, while the sum is 25.

Adding to 22212123311131 its reverse (13111332121222), we get a palindrome (35323455432353).

The spelling of 22212123311131 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty-one".