2121311113310 has 32 divisors (see below), whose sum is σ = 3997974335040. Its totient is φ = 808861977088.

The previous prime is 2121311113283. The next prime is 2121311113357. The reversal of 2121311113310 is 133111131212.

It is a super-2 number, since 2×2121311113310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15671675 + ... + 15806454.

It is an arithmetic number, because the mean of its divisors is an integer number (124936697970).

Almost surely, 2^{2121311113310} is an apocalyptic number.

2121311113310 is a deficient number, since it is larger than the sum of its proper divisors (1876663221730).

2121311113310 is a wasteful number, since it uses less digits than its factorization.

2121311113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31478452.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 2121311113310 its reverse (133111131212), we get a palindrome (2254422244522).

The spelling of 2121311113310 in words is "two trillion, one hundred twenty-one billion, three hundred eleven million, one hundred thirteen thousand, three hundred ten".