900200120101 has 4 divisors (see below), whose sum is σ = 912878995104. Its totient is φ = 887521245100.

The previous prime is 900200120089. The next prime is 900200120117. The reversal of 900200120101 is 101021002009.

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 a de Polignac number, because none of the positive numbers 2^k-900200120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900200120161) 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, 6339437395 + ... + 6339437536.

It is an arithmetic number, because the mean of its divisors is an integer number (228219748776).

Almost surely, 2^900200120101 is an apocalyptic number.

It is an amenable number.

900200120101 is a deficient number, since it is larger than the sum of its proper divisors (12678875003).

900200120101 is a wasteful number, since it uses less digits than its factorization.

900200120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678875002.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 900200120101 in words is "nine hundred billion, two hundred million, one hundred twenty thousand, one hundred one".