1120000120021 has 8 divisors (see below), whose sum is σ = 1127574957600. Its totient is φ = 1112426056848.

The previous prime is 1120000119971. The next prime is 1120000120033. The reversal of 1120000120021 is 1200210000211.

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 1120000120021 - 2⁷ = 1120000119893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120000120121) 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, 2872270 + ... + 3238816.

It is an arithmetic number, because the mean of its divisors is an integer number (140946869700).

Almost surely, 2^{1120000120021} is an apocalyptic number.

It is an amenable number.

1120000120021 is a deficient number, since it is larger than the sum of its proper divisors (7574837579).

1120000120021 is a wasteful number, since it uses less digits than its factorization.

1120000120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387203.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1120000120021 its reverse (1200210000211), we get a palindrome (2320210120232).

The spelling of 1120000120021 in words is "one trillion, one hundred twenty billion, one hundred twenty thousand, twenty-one".