2211112312102 has 16 divisors (see below), whose sum is σ = 3333596837472. Its totient is φ = 1099913678080.

The previous prime is 2211112312069. The next prime is 2211112312141. The reversal of 2211112312102 is 2012132111122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211112312102.

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, 22275702 + ... + 22374742.

It is an arithmetic number, because the mean of its divisors is an integer number (208349802342).

Almost surely, 2^{2211112312102} is an apocalyptic number.

2211112312102 is a deficient number, since it is larger than the sum of its proper divisors (1122484525370).

2211112312102 is a wasteful number, since it uses less digits than its factorization.

2211112312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155903.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2211112312102 its reverse (2012132111122), we get a palindrome (4223244423224).

The spelling of 2211112312102 in words is "two trillion, two hundred eleven billion, one hundred twelve million, three hundred twelve thousand, one hundred two".