1320101121 has 16 divisors (see below), whose sum is σ = 1786691520. Its totient is φ = 866822400.

The previous prime is 1320101113. The next prime is 1320101131. The reversal of 1320101121 is 1211010231.

It is not a de Polignac number, because 1320101121 - 2³ = 1320101113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320101097 and 1320101106.

It is not an unprimeable number, because it can be changed into a prime (1320101131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173446 + ... + 180896.

It is an arithmetic number, because the mean of its divisors is an integer number (111668220).

Almost surely, 2^1320101121 is an apocalyptic number.

It is an amenable number.

1320101121 is a deficient number, since it is larger than the sum of its proper divisors (466590399).

1320101121 is an equidigital number, since it uses as much as digits as its factorization.

1320101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1320101121 is about 36333.1958544800. The cubic root of 1320101121 is about 1096.9893213431.

Adding to 1320101121 its reverse (1211010231), we get a palindrome (2531111352).

The spelling of 1320101121 in words is "one billion, three hundred twenty million, one hundred one thousand, one hundred twenty-one".