111232101212020 has 12 divisors (see below), whose sum is σ = 233587412545284. Its totient is φ = 44492840484800.

The previous prime is 111232101212017. The next prime is 111232101212059. The reversal of 111232101212020 is 20212101232111.

It can be written as a sum of positive squares in 2 ways, for example, as 88377372053776 + 22854729158244 = 9400924^2 + 4780662^2 .

It is a super-2 number, since 2×111232101212020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 2780802530281 + ... + 2780802530320.

It is an arithmetic number, because the mean of its divisors is an integer number (19465617712107).

Almost surely, 2^{111232101212020} is an apocalyptic number.

111232101212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232101212020 is an abundant number, since it is smaller than the sum of its proper divisors (122355311333264).

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

111232101212020 is a wasteful number, since it uses less digits than its factorization.

111232101212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561605060610 (or 5561605060608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111232101212020 its reverse (20212101232111), we get a palindrome (131444202444131).

The spelling of 111232101212020 in words is "one hundred eleven trillion, two hundred thirty-two billion, one hundred one million, two hundred twelve thousand, twenty".