900121021212211 has 8 divisors (see below), whose sum is σ = 906992988376464. Its totient is φ = 893249066386560.

The previous prime is 900121021212209. The next prime is 900121021212227. The reversal of 900121021212211 is 112212120121009.

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 900121021212211 - 2¹ = 900121021212209 is a prime.

It is a super-2 number, since 2×900121021212211² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900121021212251) 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, 188734071 + ... + 193444543.

It is an arithmetic number, because the mean of its divisors is an integer number (113374123547058).

Almost surely, 2^{900121021212211} is an apocalyptic number.

900121021212211 is a deficient number, since it is larger than the sum of its proper divisors (6871967164253).

900121021212211 is a wasteful number, since it uses less digits than its factorization.

900121021212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169301.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 900121021212211 in words is "nine hundred trillion, one hundred twenty-one billion, twenty-one million, two hundred twelve thousand, two hundred eleven".