23002121211 has 8 divisors (see below), whose sum is σ = 31248164880. Its totient is φ = 15045412512.

The previous prime is 23002121209. The next prime is 23002121239. The reversal of 23002121211 is 11212120032.

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

It is not a de Polignac number, because 23002121211 - 2¹ = 23002121209 is a prime.

It is a super-2 number, since 2×23002121211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23002126211) 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, 72333556 + ... + 72333873.

It is an arithmetic number, because the mean of its divisors is an integer number (3906020610).

Almost surely, 2^23002121211 is an apocalyptic number.

23002121211 is a deficient number, since it is larger than the sum of its proper divisors (8246043669).

23002121211 is a wasteful number, since it uses less digits than its factorization.

23002121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144667485.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23002121211 its reverse (11212120032), we get a palindrome (34214241243).

The spelling of 23002121211 in words is "twenty-three billion, two million, one hundred twenty-one thousand, two hundred eleven".