900022220110001 has 4 divisors (see below), whose sum is σ = 900483533397504. Its totient is φ = 899560906822500.

The previous prime is 900022220109941. The next prime is 900022220110003. The reversal of 900022220110001 is 100011022220009.

It is a happy number.

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 900022220110001 - 2⁴² = 895624173598897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900022220110003) 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, 230656640825 + ... + 230656644726.

It is an arithmetic number, because the mean of its divisors is an integer number (225120883349376).

Almost surely, 2^{900022220110001} is an apocalyptic number.

It is an amenable number.

900022220110001 is a deficient number, since it is larger than the sum of its proper divisors (461313287503).

900022220110001 is a wasteful number, since it uses less digits than its factorization.

900022220110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461313287502.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 900022220110001 in words is "nine hundred trillion, twenty-two billion, two hundred twenty million, one hundred ten thousand, one".