90010222100121 has 4 divisors (see below), whose sum is σ = 120013629466832. Its totient is φ = 60006814733412.

The previous prime is 90010222100119. The next prime is 90010222100147. The reversal of 90010222100121 is 12100122201009.

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 not a de Polignac number, because 90010222100121 - 2¹ = 90010222100119 is a prime.

It is a super-2 number, since 2×90010222100121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90010222102121) 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, 15001703683351 + ... + 15001703683356.

It is an arithmetic number, because the mean of its divisors is an integer number (30003407366708).

Almost surely, 2^{90010222100121} is an apocalyptic number.

It is an amenable number.

90010222100121 is a deficient number, since it is larger than the sum of its proper divisors (30003407366711).

90010222100121 is a wasteful number, since it uses less digits than its factorization.

90010222100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30003407366710.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 90010222100121 in words is "ninety trillion, ten billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-one".