1112122201021 has 8 divisors (see below), whose sum is σ = 1203875609720. Its totient is φ = 1021255299072.

The previous prime is 1112122201009. The next prime is 1112122201033. The reversal of 1112122201021 is 1201022212111.

It is an interprime number because it is at equal distance from previous prime (1112122201009) and next prime (1112122201033).

It can be written as a sum of positive squares in 4 ways, for example, as 27637400025 + 1084484800996 = 166245^2 + 1041386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112122201021 - 2⁵ = 1112122200989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112122200986 and 1112122201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122201061) 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, 221624076 + ... + 221629093.

It is an arithmetic number, because the mean of its divisors is an integer number (150484451215).

Almost surely, 2^{1112122201021} is an apocalyptic number.

It is an amenable number.

1112122201021 is a deficient number, since it is larger than the sum of its proper divisors (91753408699).

1112122201021 is a wasteful number, since it uses less digits than its factorization.

1112122201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443253375.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112122201021 its reverse (1201022212111), we get a palindrome (2313144413132).

The spelling of 1112122201021 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred one thousand, twenty-one".