222212111131 has 2 divisors, whose sum is σ = 222212111132. Its totient is φ = 222212111130.

The previous prime is 222212111129. The next prime is 222212111159. The reversal of 222212111131 is 131111212222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222212111131 - 2¹ = 222212111129 is a prime.

It is a super-2 number, since 2×222212111131² (a number of 23 digits) contains 22 as substring.

Together with 222212111129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222212111099 and 222212111108.

It is not a weakly prime, because it can be changed into another prime (222212111431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106055565 + 111106055566.

It is an arithmetic number, because the mean of its divisors is an integer number (111106055566).

Almost surely, 2^222212111131 is an apocalyptic number.

222212111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212111131 is an equidigital number, since it uses as much as digits as its factorization.

222212111131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 19.

Adding to 222212111131 its reverse (131111212222), we get a palindrome (353323323353).

The spelling of 222212111131 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred thirty-one".