1112211210020 has 24 divisors (see below), whose sum is σ = 2368539931968. Its totient is φ = 438618504800.

The previous prime is 1112211209987. The next prime is 1112211210023. The reversal of 1112211210020 is 200121122111.

It is a junction number, because it is equal to n+sod(n) for n = 1112211209977 and 1112211210004.

It is not an unprimeable number, because it can be changed into a prime (1112211210023) 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, 391622246 + ... + 391625085.

It is an arithmetic number, because the mean of its divisors is an integer number (98689163832).

Almost surely, 2^{1112211210020} is an apocalyptic number.

1112211210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211210020 is an abundant number, since it is smaller than the sum of its proper divisors (1256328721948).

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

1112211210020 is a wasteful number, since it uses less digits than its factorization.

1112211210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783247411 (or 783247409 counting only the distinct ones).

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

Adding to 1112211210020 its reverse (200121122111), we get a palindrome (1312332332131).

It can be divided in two parts, 1112211 and 210020, that added together give a palindrome (1322231).

The spelling of 1112211210020 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two hundred ten thousand, twenty".