2101200121102 has 8 divisors (see below), whose sum is σ = 3317684401800. Its totient is φ = 995305320504.

The previous prime is 2101200121049. The next prime is 2101200121117. The reversal of 2101200121102 is 2011210021012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27647369977 + ... + 27647370052.

It is an arithmetic number, because the mean of its divisors is an integer number (414710550225).

Almost surely, 2^{2101200121102} is an apocalyptic number.

2101200121102 is a deficient number, since it is larger than the sum of its proper divisors (1216484280698).

2101200121102 is a wasteful number, since it uses less digits than its factorization.

2101200121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55294740050.

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

Adding to 2101200121102 its reverse (2011210021012), we get a palindrome (4112410142114).

The spelling of 2101200121102 in words is "two trillion, one hundred one billion, two hundred million, one hundred twenty-one thousand, one hundred two".