204222042130101 has 4 divisors (see below), whose sum is σ = 272296056173472. Its totient is φ = 136148028086732.

The previous prime is 204222042130079. The next prime is 204222042130157. The reversal of 204222042130101 is 101031240222402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204222042130101 - 2⁵ = 204222042130069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204222042130201) 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, 34037007021681 + ... + 34037007021686.

It is an arithmetic number, because the mean of its divisors is an integer number (68074014043368).

Almost surely, 2^{204222042130101} is an apocalyptic number.

It is an amenable number.

204222042130101 is a deficient number, since it is larger than the sum of its proper divisors (68074014043371).

204222042130101 is an equidigital number, since it uses as much as digits as its factorization.

204222042130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68074014043370.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 204222042130101 its reverse (101031240222402), we get a palindrome (305253282352503).

The spelling of 204222042130101 in words is "two hundred four trillion, two hundred twenty-two billion, forty-two million, one hundred thirty thousand, one hundred one".