2112100221099 has 96 divisors (see below), whose sum is σ = 3270314573568. Its totient is φ = 1201495680000.

The previous prime is 2112100221059. The next prime is 2112100221163. The reversal of 2112100221099 is 9901220012112.

It is not a de Polignac number, because 2112100221099 - 2³² = 2107805253803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112100221059) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167607399 + ... + 167619999.

It is an arithmetic number, because the mean of its divisors is an integer number (34065776808).

Almost surely, 2^{2112100221099} is an apocalyptic number.

2112100221099 is a deficient number, since it is larger than the sum of its proper divisors (1158214352469).

2112100221099 is a wasteful number, since it uses less digits than its factorization.

2112100221099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809 (or 12766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 2112100221099 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, ninety-nine".