2101001112102 has 24 divisors (see below), whose sum is σ = 4272016818888. Its totient is φ = 688852816320.

The previous prime is 2101001112079. The next prime is 2101001112103. The reversal of 2101001112102 is 2012111001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101001112103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47030463 + ... + 47075114.

It is an arithmetic number, because the mean of its divisors is an integer number (178000700787).

Almost surely, 2^{2101001112102} is an apocalyptic number.

2101001112102 is an abundant number, since it is smaller than the sum of its proper divisors (2171015706786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101001112102 is an equidigital number, since it uses as much as digits as its factorization.

2101001112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94105704 (or 94105643 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101001112102 its reverse (2012111001012), we get a palindrome (4113112113114).

The spelling of 2101001112102 in words is "two trillion, one hundred one billion, one million, one hundred twelve thousand, one hundred two".