2103211100312 has 32 divisors (see below), whose sum is σ = 4583268748800. Its totient is φ = 886098621984.

The previous prime is 2103211100267. The next prime is 2103211100399. The reversal of 2103211100312 is 2130011123012.

It is a super-2 number, since 2×2103211100312² (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 7 ways as a sum of consecutive naturals, for example, 318279248 + ... + 318285855.

It is an arithmetic number, because the mean of its divisors is an integer number (143227148400).

Almost surely, 2^{2103211100312} is an apocalyptic number.

It is an amenable number.

2103211100312 is an abundant number, since it is smaller than the sum of its proper divisors (2480057648488).

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

2103211100312 is a wasteful number, since it uses less digits than its factorization.

2103211100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636565175 (or 636565171 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2103211100312 its reverse (2130011123012), we get a palindrome (4233222223324).

The spelling of 2103211100312 in words is "two trillion, one hundred three billion, two hundred eleven million, one hundred thousand, three hundred twelve".