2231121113001 has 24 divisors (see below), whose sum is σ = 3516050824416. Its totient is φ = 1352061987840.

The previous prime is 2231121112993. The next prime is 2231121113029. The reversal of 2231121113001 is 1003111211322.

2231121113001 is a `hidden beast` number, since 2 + 231 + 121 + 11 + 300 + 1 = 666.

It is not a de Polignac number, because 2231121113001 - 2³ = 2231121112993 is a prime.

It is a super-3 number, since 3×2231121113001³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231121113041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86040 + ... + 2114153.

It is an arithmetic number, because the mean of its divisors is an integer number (146502117684).

Almost surely, 2^{2231121113001} is an apocalyptic number.

It is an amenable number.

2231121113001 is a deficient number, since it is larger than the sum of its proper divisors (1284929711415).

2231121113001 is a wasteful number, since it uses less digits than its factorization.

2231121113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210453 (or 2210450 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2231121113001 its reverse (1003111211322), we get a palindrome (3234232324323).

The spelling of 2231121113001 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred thirteen thousand, one".