2100201022102 has 4 divisors (see below), whose sum is σ = 3150301533156. Its totient is φ = 1050100511050.

The previous prime is 2100201022099. The next prime is 2100201022123. The reversal of 2100201022102 is 2012201020012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525050255524 + ... + 525050255527.

It is an arithmetic number, because the mean of its divisors is an integer number (787575383289).

Almost surely, 2^{2100201022102} is an apocalyptic number.

2100201022102 is a deficient number, since it is larger than the sum of its proper divisors (1050100511054).

2100201022102 is a wasteful number, since it uses less digits than its factorization.

2100201022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050100511053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100201022102 its reverse (2012201020012), we get a palindrome (4112402042114).

The spelling of 2100201022102 in words is "two trillion, one hundred billion, two hundred one million, twenty-two thousand, one hundred two".