2121103223310 has 64 divisors (see below), whose sum is σ = 5242461004800. Its totient is φ = 549002093952.

The previous prime is 2121103223287. The next prime is 2121103223321. The reversal of 2121103223310 is 133223011212.

It is a super-2 number, since 2×2121103223310² (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 31 ways as a sum of consecutive naturals, for example, 7444749 + ... + 7724408.

It is an arithmetic number, because the mean of its divisors is an integer number (81913453200).

Almost surely, 2^{2121103223310} is an apocalyptic number.

2121103223310 is an abundant number, since it is smaller than the sum of its proper divisors (3121357781490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121103223310 is a wasteful number, since it uses less digits than its factorization.

2121103223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169305.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121103223310 its reverse (133223011212), we get a palindrome (2254326234522).

The spelling of 2121103223310 in words is "two trillion, one hundred twenty-one billion, one hundred three million, two hundred twenty-three thousand, three hundred ten".