20221010113 has 4 divisors (see below), whose sum is σ = 20221301188. Its totient is φ = 20220719040.

The previous prime is 20221010101. The next prime is 20221010137. The reversal of 20221010113 is 31101012202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12067461904 + 8153548209 = 109852^2 + 90297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221010113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221010093 and 20221010102.

It is not an unprimeable number, because it can be changed into a prime (20221010153) 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, 26293 + ... + 202813.

It is an arithmetic number, because the mean of its divisors is an integer number (5055325297).

Almost surely, 2^20221010113 is an apocalyptic number.

It is an amenable number.

20221010113 is a deficient number, since it is larger than the sum of its proper divisors (291075).

20221010113 is a wasteful number, since it uses less digits than its factorization.

20221010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291074.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20221010113 its reverse (31101012202), we get a palindrome (51322022315).

The spelling of 20221010113 in words is "twenty billion, two hundred twenty-one million, ten thousand, one hundred thirteen".