22155551050201 has 4 divisors (see below), whose sum is σ = 22156953049872. Its totient is φ = 22154149050532.

The previous prime is 22155551050183. The next prime is 22155551050211. The reversal of 22155551050201 is 10205015555122.

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 22155551050201 - 2¹⁵ = 22155551017433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22155551050211) 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, 700976131 + ... + 701007736.

It is an arithmetic number, because the mean of its divisors is an integer number (5539238262468).

Almost surely, 2^{22155551050201} is an apocalyptic number.

It is an amenable number.

22155551050201 is a deficient number, since it is larger than the sum of its proper divisors (1401999671).

22155551050201 is a wasteful number, since it uses less digits than its factorization.

22155551050201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401999670.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 22155551050201 in words is "twenty-two trillion, one hundred fifty-five billion, five hundred fifty-one million, fifty thousand, two hundred one".