112100101111021 has 2 divisors, whose sum is σ = 112100101111022. Its totient is φ = 112100101111020.

The previous prime is 112100101110941. The next prime is 112100101111049. The reversal of 112100101111021 is 120111101001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105888113138025 + 6211987972996 = 10290195^2 + 2492386^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100101111021 - 2¹¹ = 112100101108973 is a prime.

It is a super-2 number, since 2×112100101111021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112100101110992 and 112100101111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100101111081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050050555510 + 56050050555511.

It is an arithmetic number, because the mean of its divisors is an integer number (56050050555511).

Almost surely, 2^{112100101111021} is an apocalyptic number.

It is an amenable number.

112100101111021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100101111021 is an equidigital number, since it uses as much as digits as its factorization.

112100101111021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112100101111021 its reverse (120111101001211), we get a palindrome (232211202112232).

The spelling of 112100101111021 in words is "one hundred twelve trillion, one hundred billion, one hundred one million, one hundred eleven thousand, twenty-one".