2111200102102 has 64 divisors (see below), whose sum is σ = 3971809981440. Its totient is φ = 819356155776.

The previous prime is 2111200102091. The next prime is 2111200102111. The reversal of 2111200102102 is 2012010021112.

It is a super-2 number, since 2×2111200102102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 5027548 + ... + 5431264.

It is an arithmetic number, because the mean of its divisors is an integer number (62059530960).

Almost surely, 2^{2111200102102} is an apocalyptic number.

2111200102102 is a deficient number, since it is larger than the sum of its proper divisors (1860609879338).

2111200102102 is a wasteful number, since it uses less digits than its factorization.

2111200102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404285.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111200102102 its reverse (2012010021112), we get a palindrome (4123210123214).

The spelling of 2111200102102 in words is "two trillion, one hundred eleven billion, two hundred million, one hundred two thousand, one hundred two".