2100101221112 has 64 divisors (see below), whose sum is σ = 4162277560320. Its totient is φ = 991414689408.

The previous prime is 2100101221079. The next prime is 2100101221121. The reversal of 2100101221112 is 2111221010012.

It is a super-2 number, since 2×2100101221112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5261033 + ... + 5646119.

It is an arithmetic number, because the mean of its divisors is an integer number (65035586880).

Almost surely, 2^{2100101221112} is an apocalyptic number.

It is an amenable number.

2100101221112 is a deficient number, since it is larger than the sum of its proper divisors (2062176339208).

2100101221112 is a wasteful number, since it uses less digits than its factorization.

2100101221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385500 (or 385496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100101221112 its reverse (2111221010012), we get a palindrome (4211322231124).

The spelling of 2100101221112 in words is "two trillion, one hundred billion, one hundred one million, two hundred twenty-one thousand, one hundred twelve".