202211110100981 has 2 divisors, whose sum is σ = 202211110100982. Its totient is φ = 202211110100980.

The previous prime is 202211110100911. The next prime is 202211110101047. The reversal of 202211110100981 is 189001011112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141544676535025 + 60666433565956 = 11897255^2 + 7788866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202211110100981 is a prime.

It is a super-2 number, since 2×202211110100981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202211110100911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105555050490 + 101105555050491.

It is an arithmetic number, because the mean of its divisors is an integer number (101105555050491).

Almost surely, 2^{202211110100981} is an apocalyptic number.

It is an amenable number.

202211110100981 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211110100981 is an equidigital number, since it uses as much as digits as its factorization.

202211110100981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 202211110100981 in words is "two hundred two trillion, two hundred eleven billion, one hundred ten million, one hundred thousand, nine hundred eighty-one".