2101211202112 has 56 divisors (see below), whose sum is σ = 4548824897760. Its totient is φ = 955058165760.

The previous prime is 2101211202109. The next prime is 2101211202127. The reversal of 2101211202112 is 2112021121012.

It is a super-2 number, since 2×2101211202112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25675563 + ... + 25757269.

Almost surely, 2^{2101211202112} is an apocalyptic number.

2101211202112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2101211202112 is an abundant number, since it is smaller than the sum of its proper divisors (2447613695648).

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

2101211202112 is a wasteful number, since it uses less digits than its factorization.

2101211202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118259 (or 118249 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101211202112 its reverse (2112021121012), we get a palindrome (4213232323124).

The spelling of 2101211202112 in words is "two trillion, one hundred one billion, two hundred eleven million, two hundred two thousand, one hundred twelve".