112101021210021 has 32 divisors (see below), whose sum is σ = 151254992121216. Its totient is φ = 73847531520000.

The previous prime is 112101021209987. The next prime is 112101021210023. The reversal of 112101021210021 is 120012120101211.

It is a happy number.

It is not a de Polignac number, because 112101021210021 - 2¹⁰ = 112101021208997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101021210023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48133221 + ... + 50408421.

It is an arithmetic number, because the mean of its divisors is an integer number (4726718503788).

Almost surely, 2^{112101021210021} is an apocalyptic number.

It is an amenable number.

112101021210021 is a deficient number, since it is larger than the sum of its proper divisors (39153970911195).

112101021210021 is a wasteful number, since it uses less digits than its factorization.

112101021210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275973.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112101021210021 its reverse (120012120101211), we get a palindrome (232113141311232).

The spelling of 112101021210021 in words is "one hundred twelve trillion, one hundred one billion, twenty-one million, two hundred ten thousand, twenty-one".