222011202120131 has 2 divisors, whose sum is σ = 222011202120132. Its totient is φ = 222011202120130.

The previous prime is 222011202120121. The next prime is 222011202120167. The reversal of 222011202120131 is 131021202110222.

222011202120131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222011202120131 - 2³⁴ = 221994022250947 is a prime.

It is a super-2 number, since 2×222011202120131² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222011202120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005601060065 + 111005601060066.

It is an arithmetic number, because the mean of its divisors is an integer number (111005601060066).

Almost surely, 2^{222011202120131} is an apocalyptic number.

222011202120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011202120131 is an equidigital number, since it uses as much as digits as its factorization.

222011202120131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 222011202120131 its reverse (131021202110222), we get a palindrome (353032404230353).

Subtracting from 222011202120131 its reverse (131021202110222), we obtain a palindrome (90990000009909).

The spelling of 222011202120131 in words is "two hundred twenty-two trillion, eleven billion, two hundred two million, one hundred twenty thousand, one hundred thirty-one".