21222021021113 has 8 divisors (see below), whose sum is σ = 23153217232800. Its totient is φ = 19291145071680.

The previous prime is 21222021021101. The next prime is 21222021021119. The reversal of 21222021021113 is 31112012022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21222021021113 - 2⁶ = 21222021021049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21222021021119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79926995 + ... + 80192072.

It is an arithmetic number, because the mean of its divisors is an integer number (2894152154100).

Almost surely, 2^{21222021021113} is an apocalyptic number.

It is an amenable number.

21222021021113 is a deficient number, since it is larger than the sum of its proper divisors (1931196211687).

21222021021113 is a wasteful number, since it uses less digits than its factorization.

21222021021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160131127.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21222021021113 its reverse (31112012022212), we get a palindrome (52334033043325).

The spelling of 21222021021113 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred thirteen".