900011201022002 has 4 divisors (see below), whose sum is σ = 1350016801533006. Its totient is φ = 450005600511000.

The previous prime is 900011201021993. The next prime is 900011201022007. The reversal of 900011201022002 is 200220102110009.

It is a happy number.

900011201022002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 840981498101761 + 59029702920241 = 28999681^2 + 7683079^2 .

It is not an unprimeable number, because it can be changed into a prime (900011201022007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225002800255499 + ... + 225002800255502.

Almost surely, 2^{900011201022002} is an apocalyptic number.

900011201022002 is a deficient number, since it is larger than the sum of its proper divisors (450005600511004).

900011201022002 is a wasteful number, since it uses less digits than its factorization.

900011201022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450005600511003.

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

The spelling of 900011201022002 in words is "nine hundred trillion, eleven billion, two hundred one million, twenty-two thousand, two".