90340221211 has 8 divisors (see below), whose sum is σ = 93106207040. Its totient is φ = 87604465032.

The previous prime is 90340221193. The next prime is 90340221227. The reversal of 90340221211 is 11212204309.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90340221211 is a prime.

It is a super-2 number, since 2×90340221211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90340221011) 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, 7551345 + ... + 7563298.

It is an arithmetic number, because the mean of its divisors is an integer number (11638275880).

Almost surely, 2^90340221211 is an apocalyptic number.

90340221211 is a deficient number, since it is larger than the sum of its proper divisors (2765985829).

90340221211 is a wasteful number, since it uses less digits than its factorization.

90340221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114825.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 90340221211 in words is "ninety billion, three hundred forty million, two hundred twenty-one thousand, two hundred eleven".