12100112211020 has 24 divisors (see below), whose sum is σ = 25419506183568. Its totient is φ = 4838279067200.

The previous prime is 12100112210983. The next prime is 12100112211023. The reversal of 12100112211020 is 2011221100121.

It is a junction number, because it is equal to n+sod(n) for n = 12100112210986 and 12100112211004.

It is not an unprimeable number, because it can be changed into a prime (12100112211023) 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, 110307386 + ... + 110417025.

It is an arithmetic number, because the mean of its divisors is an integer number (1059146090982).

Almost surely, 2^{12100112211020} is an apocalyptic number.

12100112211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100112211020 is an abundant number, since it is smaller than the sum of its proper divisors (13319393972548).

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

12100112211020 is a wasteful number, since it uses less digits than its factorization.

12100112211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220727161 (or 220727159 counting only the distinct ones).

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

Adding to 12100112211020 its reverse (2011221100121), we get a palindrome (14111333311141).

The spelling of 12100112211020 in words is "twelve trillion, one hundred billion, one hundred twelve million, two hundred eleven thousand, twenty".