1120120121021 has 32 divisors (see below), whose sum is σ = 1286572142592. Its totient is φ = 965275407360.

The previous prime is 1120120120981. The next prime is 1120120121041. The reversal of 1120120121021 is 1201210210211.

It is not a de Polignac number, because 1120120121021 - 2⁶ = 1120120120957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120120120987 and 1120120121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120120121041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12798416 + ... + 12885638.

It is an arithmetic number, because the mean of its divisors is an integer number (40205379456).

Almost surely, 2^{1120120121021} is an apocalyptic number.

1120120121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120120121021 is a deficient number, since it is larger than the sum of its proper divisors (166452021571).

1120120121021 is a wasteful number, since it uses less digits than its factorization.

1120120121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87713.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1120120121021 its reverse (1201210210211), we get a palindrome (2321330331232).

The spelling of 1120120121021 in words is "one trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, twenty-one".