12101001111020 has 48 divisors (see below), whose sum is σ = 26289141852960. Its totient is φ = 4673354950656.

The previous prime is 12101001111013. The next prime is 12101001111131. The reversal of 12101001111020 is 2011110010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101001110992 and 12101001111010.

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, 21079919 + ... + 21646361.

It is an arithmetic number, because the mean of its divisors is an integer number (547690455270).

Almost surely, 2^{12101001111020} is an apocalyptic number.

12101001111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101001111020 is an abundant number, since it is smaller than the sum of its proper divisors (14188140741940).

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

12101001111020 is a wasteful number, since it uses less digits than its factorization.

12101001111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603314 (or 603312 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101001111020 its reverse (2011110010121), we get a palindrome (14112111121141).

The spelling of 12101001111020 in words is "twelve trillion, one hundred one billion, one million, one hundred eleven thousand, twenty".