112200221020121 has 16 divisors (see below), whose sum is σ = 124742852279808. Its totient is φ = 100217178547200.

The previous prime is 112200221020057. The next prime is 112200221020177. The reversal of 112200221020121 is 121020122002211.

It is not a de Polignac number, because 112200221020121 - 2⁶ = 112200221020057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112200221020121.

It is not an unprimeable number, because it can be changed into a prime (112200221026121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12125960 + ... + 19272761.

It is an arithmetic number, because the mean of its divisors is an integer number (7796428267488).

Almost surely, 2^{112200221020121} is an apocalyptic number.

It is an amenable number.

112200221020121 is a deficient number, since it is larger than the sum of its proper divisors (12542631259687).

112200221020121 is a wasteful number, since it uses less digits than its factorization.

112200221020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31407632.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112200221020121 its reverse (121020122002211), we get a palindrome (233220343022332).

The spelling of 112200221020121 in words is "one hundred twelve trillion, two hundred billion, two hundred twenty-one million, twenty thousand, one hundred twenty-one".