112101120001021 has 2 divisors, whose sum is σ = 112101120001022. Its totient is φ = 112101120001020.

The previous prime is 112101120001009. The next prime is 112101120001033. The reversal of 112101120001021 is 120100021101211.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (112101120001009) and next prime (112101120001033).

It can be written as a sum of positive squares in only one way, i.e., 80464308636100 + 31636811364921 = 8970190^2 + 5624661^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101120001021 - 2²⁵ = 112101086446589 is a prime.

It is a super-2 number, since 2×112101120001021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112101120000992 and 112101120001010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112101120001421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050560000510 + 56050560000511.

It is an arithmetic number, because the mean of its divisors is an integer number (56050560000511).

Almost surely, 2^{112101120001021} is an apocalyptic number.

It is an amenable number.

112101120001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101120001021 is an equidigital number, since it uses as much as digits as its factorization.

112101120001021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112101120001021 its reverse (120100021101211), we get a palindrome (232201141102232).

The spelling of 112101120001021 in words is "one hundred twelve trillion, one hundred one billion, one hundred twenty million, one thousand, twenty-one".