2210112130981 has 2 divisors, whose sum is σ = 2210112130982. Its totient is φ = 2210112130980.

The previous prime is 2210112130951. The next prime is 2210112131039. The reversal of 2210112130981 is 1890312110122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210594072900 + 999518058081 = 1100270^2 + 999759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210112130981 - 2²⁵ = 2210078576549 is a prime.

It is a super-2 number, since 2×2210112130981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210112130951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105056065490 + 1105056065491.

It is an arithmetic number, because the mean of its divisors is an integer number (1105056065491).

Almost surely, 2^{2210112130981} is an apocalyptic number.

It is an amenable number.

2210112130981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210112130981 is an equidigital number, since it uses as much as digits as its factorization.

2210112130981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 2210112130981 in words is "two trillion, two hundred ten billion, one hundred twelve million, one hundred thirty thousand, nine hundred eighty-one".