222212001131 has 2 divisors, whose sum is σ = 222212001132. Its totient is φ = 222212001130.

The previous prime is 222212001079. The next prime is 222212001133. The reversal of 222212001131 is 131100212222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222212001131 - 2²² = 222207806827 is a prime.

It is a super-2 number, since 2×222212001131² (a number of 23 digits) contains 22 as substring.

Together with 222212001133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222212001133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106000565 + 111106000566.

It is an arithmetic number, because the mean of its divisors is an integer number (111106000566).

Almost surely, 2^222212001131 is an apocalyptic number.

222212001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212001131 is an equidigital number, since it uses as much as digits as its factorization.

222212001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222212001131 its reverse (131100212222), we get a palindrome (353312213353).

The spelling of 222212001131 in words is "two hundred twenty-two billion, two hundred twelve million, one thousand, one hundred thirty-one".