2112101211020 has 12 divisors (see below), whose sum is σ = 4435412543184. Its totient is φ = 844840484400.

The previous prime is 2112101210969. The next prime is 2112101211043. The reversal of 2112101211020 is 201121012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112101210986 and 2112101211004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52802530256 + ... + 52802530295.

It is an arithmetic number, because the mean of its divisors is an integer number (369617711932).

Almost surely, 2^{2112101211020} is an apocalyptic number.

2112101211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112101211020 is an abundant number, since it is smaller than the sum of its proper divisors (2323311332164).

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

2112101211020 is a wasteful number, since it uses less digits than its factorization.

2112101211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105605060560 (or 105605060558 counting only the distinct ones).

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

Adding to 2112101211020 its reverse (201121012112), we get a palindrome (2313222223132).

The spelling of 2112101211020 in words is "two trillion, one hundred twelve billion, one hundred one million, two hundred eleven thousand, twenty".