2101121313331 has 8 divisors (see below), whose sum is σ = 2111959786464. Its totient is φ = 2090284586880.

The previous prime is 2101121313329. The next prime is 2101121313337. The reversal of 2101121313331 is 1333131211012.

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 2101121313331 - 2¹ = 2101121313329 is a prime.

It is a super-2 number, since 2×2101121313331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101121313337) 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, 2010651 + ... + 2871403.

It is an arithmetic number, because the mean of its divisors is an integer number (263994973308).

Almost surely, 2^{2101121313331} is an apocalyptic number.

2101121313331 is a deficient number, since it is larger than the sum of its proper divisors (10838473133).

2101121313331 is a wasteful number, since it uses less digits than its factorization.

2101121313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873341.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2101121313331 its reverse (1333131211012), we get a palindrome (3434252524343).

The spelling of 2101121313331 in words is "two trillion, one hundred one billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred thirty-one".