2111200102090 has 8 divisors (see below), whose sum is σ = 3800160183780. Its totient is φ = 844480040832.

The previous prime is 2111200102031. The next prime is 2111200102091. The reversal of 2111200102090 is 902010021112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1928629340001 + 182570762089 = 1388751^2 + 427283^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2111200102091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105560005095 + ... + 105560005114.

Almost surely, 2^{2111200102090} is an apocalyptic number.

2111200102090 is a deficient number, since it is larger than the sum of its proper divisors (1688960081690).

2111200102090 is a wasteful number, since it uses less digits than its factorization.

2111200102090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211120010216.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2111200102090 in words is "two trillion, one hundred eleven billion, two hundred million, one hundred two thousand, ninety".