1120100210021 has 4 divisors (see below), whose sum is σ = 1206261764652. Its totient is φ = 1033938655392.

The previous prime is 1120100209993. The next prime is 1120100210041. The reversal of 1120100210021 is 1200120010211.

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 278376532996 + 841723677025 = 527614^2 + 917455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120100210021 - 2⁶ = 1120100209957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120100209984 and 1120100210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120100210041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43080777296 + ... + 43080777321.

It is an arithmetic number, because the mean of its divisors is an integer number (301565441163).

Almost surely, 2^{1120100210021} is an apocalyptic number.

It is an amenable number.

1120100210021 is a deficient number, since it is larger than the sum of its proper divisors (86161554631).

1120100210021 is an equidigital number, since it uses as much as digits as its factorization.

1120100210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86161554630.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1120100210021 its reverse (1200120010211), we get a palindrome (2320220220232).

The spelling of 1120100210021 in words is "one trillion, one hundred twenty billion, one hundred million, two hundred ten thousand, twenty-one".