900001201220101 has 8 divisors (see below), whose sum is σ = 902418551109504. Its totient is φ = 897583875278160.

The previous prime is 900001201220063. The next prime is 900001201220119. The reversal of 900001201220101 is 101022102100009.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900001201220101 - 2⁴⁷ = 759263712864773 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 (900001201223101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70592400 + ... + 82360726.

It is an arithmetic number, because the mean of its divisors is an integer number (112802318888688).

Almost surely, 2^{900001201220101} is an apocalyptic number.

It is an amenable number.

900001201220101 is a deficient number, since it is larger than the sum of its proper divisors (2417349889403).

900001201220101 is a wasteful number, since it uses less digits than its factorization.

900001201220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973731.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 900001201220101 in words is "nine hundred trillion, one billion, two hundred one million, two hundred twenty thousand, one hundred one".