1112210101021 has 4 divisors (see below), whose sum is σ = 1150562173500. Its totient is φ = 1073858028544.

The previous prime is 1112210101007. The next prime is 1112210101031. The reversal of 1112210101021 is 1201010122111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211825460025 + 900384640996 = 460245^2 + 948886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112210101021 - 2⁷ = 1112210100893 is a prime.

It is a super-2 number, since 2×1112210101021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112210100992 and 1112210101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112210101031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19176036196 + ... + 19176036253.

It is an arithmetic number, because the mean of its divisors is an integer number (287640543375).

Almost surely, 2^{1112210101021} is an apocalyptic number.

It is an amenable number.

1112210101021 is a deficient number, since it is larger than the sum of its proper divisors (38352072479).

1112210101021 is an equidigital number, since it uses as much as digits as its factorization.

1112210101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38352072478.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112210101021 its reverse (1201010122111), we get a palindrome (2313220223132).

The spelling of 1112210101021 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred one thousand, twenty-one".