1112100101021 has 64 divisors (see below), whose sum is σ = 1431709171200. Its totient is φ = 857903477760.

The previous prime is 1112100101009. The next prime is 1112100101023. The reversal of 1112100101021 is 1201010012111.

It is a de Polignac number, because none of the positive numbers 2^k-1112100101021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1112100100993 and 1112100101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112100101023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113695151 + ... + 113704931.

It is an arithmetic number, because the mean of its divisors is an integer number (22370455800).

Almost surely, 2^{1112100101021} is an apocalyptic number.

It is an amenable number.

1112100101021 is a deficient number, since it is larger than the sum of its proper divisors (319609070179).

1112100101021 is an equidigital number, since it uses as much as digits as its factorization.

1112100101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10451 (or 10437 counting only the distinct ones).

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

Adding to 1112100101021 its reverse (1201010012111), we get a palindrome (2313110113132).

It can be divided in two parts, 1112100 and 101021, that added together give a palindrome (1213121).

The spelling of 1112100101021 in words is "one trillion, one hundred twelve billion, one hundred million, one hundred one thousand, twenty-one".