112102021081021 has 2 divisors, whose sum is σ = 112102021081022. Its totient is φ = 112102021081020.

The previous prime is 112102021080971. The next prime is 112102021081073. The reversal of 112102021081021 is 120180120201211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102375644067225 + 9726377013796 = 10118085^2 + 3118714^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102021081021 - 2¹³ = 112102021072829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112102021080983 and 112102021081001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112102021081321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051010540510 + 56051010540511.

It is an arithmetic number, because the mean of its divisors is an integer number (56051010540511).

Almost surely, 2^{112102021081021} is an apocalyptic number.

It is an amenable number.

112102021081021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112102021081021 is an equidigital number, since it uses as much as digits as its factorization.

112102021081021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 112102021081021 its reverse (120180120201211), we get a palindrome (232282141282232).

The spelling of 112102021081021 in words is "one hundred twelve trillion, one hundred two billion, twenty-one million, eighty-one thousand, twenty-one".