2100112202021 has 8 divisors (see below), whose sum is σ = 2210806164000. Its totient is φ = 1989434414160.

The previous prime is 2100112202017. The next prime is 2100112202051. The reversal of 2100112202021 is 1202022110012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100112202021 - 2² = 2100112202017 is a prime.

It is a super-2 number, since 2×2100112202021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100112201987 and 2100112202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100112202051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3776546 + ... + 4296803.

It is an arithmetic number, because the mean of its divisors is an integer number (276350770500).

Almost surely, 2^{2100112202021} is an apocalyptic number.

It is an amenable number.

2100112202021 is a deficient number, since it is larger than the sum of its proper divisors (110693961979).

2100112202021 is a wasteful number, since it uses less digits than its factorization.

2100112202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087059.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100112202021 its reverse (1202022110012), we get a palindrome (3302134312033).

The spelling of 2100112202021 in words is "two trillion, one hundred billion, one hundred twelve million, two hundred two thousand, twenty-one".