2102111201102 has 16 divisors (see below), whose sum is σ = 3532786393392. Its totient is φ = 929680629120.

The previous prime is 2102111201101. The next prime is 2102111201111. The reversal of 2102111201102 is 2011021112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102111201101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291222283 + ... + 1291223910.

It is an arithmetic number, because the mean of its divisors is an integer number (220799149587).

Almost surely, 2^{2102111201102} is an apocalyptic number.

2102111201102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102111201102 is a deficient number, since it is larger than the sum of its proper divisors (1430675192290).

2102111201102 is a wasteful number, since it uses less digits than its factorization.

2102111201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582446243.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102111201102 its reverse (2011021112012), we get a palindrome (4113132313114).

The spelling of 2102111201102 in words is "two trillion, one hundred two billion, one hundred eleven million, two hundred one thousand, one hundred two".