10112000021221 has 16 divisors (see below), whose sum is σ = 11643774614784. Its totient is φ = 8602057183104.

The previous prime is 10112000021183. The next prime is 10112000021261. The reversal of 10112000021221 is 12212000021101.

It is not a de Polignac number, because 10112000021221 - 2²⁹ = 10111463150309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112000021261) 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, 2637096 + ... + 5213278.

It is an arithmetic number, because the mean of its divisors is an integer number (727735913424).

Almost surely, 2^{10112000021221} is an apocalyptic number.

It is an amenable number.

10112000021221 is a deficient number, since it is larger than the sum of its proper divisors (1531774593563).

10112000021221 is a wasteful number, since it uses less digits than its factorization.

10112000021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580420.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10112000021221 its reverse (12212000021101), we get a palindrome (22324000042322).

The spelling of 10112000021221 in words is "ten trillion, one hundred twelve billion, twenty-one thousand, two hundred twenty-one".