112020100212121 has 4 divisors (see below), whose sum is σ = 112020121415952. Its totient is φ = 112020079008292.

The previous prime is 112020100212067. The next prime is 112020100212127. The reversal of 112020100212121 is 121212001020211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112020100212121 - 2¹⁹ = 112020099687833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020100212095 and 112020100212104.

It is not an unprimeable number, because it can be changed into a prime (112020100212127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375686 + ... + 15594448.

It is an arithmetic number, because the mean of its divisors is an integer number (28005030353988).

Almost surely, 2^{112020100212121} is an apocalyptic number.

It is an amenable number.

112020100212121 is a deficient number, since it is larger than the sum of its proper divisors (21203831).

112020100212121 is an equidigital number, since it uses as much as digits as its factorization.

112020100212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203830.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112020100212121 its reverse (121212001020211), we get a palindrome (233232101232332).

The spelling of 112020100212121 in words is "one hundred twelve trillion, twenty billion, one hundred million, two hundred twelve thousand, one hundred twenty-one".