1120000101021 has 20 divisors (see below), whose sum is σ = 1674994415292. Its totient is φ = 745815299328.

The previous prime is 1120000101019. The next prime is 1120000101023. The reversal of 1120000101021 is 1201010000211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1120000101019) and next prime (1120000101023).

It can be written as a sum of positive squares in 2 ways, for example, as 992793032100 + 127207068921 = 996390^2 + 356661^2 .

It is not a de Polignac number, because 1120000101021 - 2¹ = 1120000101019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120000100994 and 1120000101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120000101023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7812180 + ... + 7954253.

Almost surely, 2^{1120000101021} is an apocalyptic number.

It is an amenable number.

1120000101021 is a deficient number, since it is larger than the sum of its proper divisors (554994314271).

1120000101021 is an equidigital number, since it uses as much as digits as its factorization.

1120000101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767322 (or 15767313 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1120000101021 its reverse (1201010000211), we get a palindrome (2321010101232).

The spelling of 1120000101021 in words is "one trillion, one hundred twenty billion, one hundred one thousand, twenty-one".