2112321203102 has 64 divisors (see below), whose sum is σ = 3577739155200. Its totient is φ = 926890490880.

The previous prime is 2112321203099. The next prime is 2112321203143. The reversal of 2112321203102 is 2013021232112.

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, 213727853 + ... + 213737735.

It is an arithmetic number, because the mean of its divisors is an integer number (55902174300).

Almost surely, 2^{2112321203102} is an apocalyptic number.

2112321203102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112321203102 is a deficient number, since it is larger than the sum of its proper divisors (1465417952098).

2112321203102 is a wasteful number, since it uses less digits than its factorization.

2112321203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2112321203102 its reverse (2013021232112), we get a palindrome (4125342435214).

The spelling of 2112321203102 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, two hundred three thousand, one hundred two".