2100012211102 has 12 divisors (see below), whose sum is σ = 3410966580120. Its totient is φ = 969236404968.

The previous prime is 2100012211081. The next prime is 2100012211109. The reversal of 2100012211102 is 2011122100012.

It is a super-2 number, since 2×2100012211102² (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 not an unprimeable number, because it can be changed into a prime (2100012211109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3106526602 + ... + 3106527277.

It is an arithmetic number, because the mean of its divisors is an integer number (284247215010).

Almost surely, 2^{2100012211102} is an apocalyptic number.

2100012211102 is a deficient number, since it is larger than the sum of its proper divisors (1310954369018).

2100012211102 is a wasteful number, since it uses less digits than its factorization.

2100012211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213053907 (or 6213053894 counting only the distinct ones).

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

Adding to 2100012211102 its reverse (2011122100012), we get a palindrome (4111134311114).

The spelling of 2100012211102 in words is "two trillion, one hundred billion, twelve million, two hundred eleven thousand, one hundred two".