2101021102200 has 96 divisors (see below), whose sum is σ = 6896292827760. Its totient is φ = 527315097600.

The previous prime is 2101021102199. The next prime is 2101021102223. The reversal of 2101021102200 is 22011201012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102981031 + ... + 103001430.

Almost surely, 2^{2101021102200} is an apocalyptic number.

2101021102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101021102200 is an abundant number, since it is smaller than the sum of its proper divisors (4795271725560).

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

2101021102200 is a wasteful number, since it uses less digits than its factorization.

2101021102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205982497 (or 205982488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101021102200 its reverse (22011201012), we get a palindrome (2123032303212).

The spelling of 2101021102200 in words is "two trillion, one hundred one billion, twenty-one million, one hundred two thousand, two hundred".