1102120101121 has 4 divisors (see below), whose sum is σ = 1186898570452. Its totient is φ = 1017341631792.

The previous prime is 1102120101113. The next prime is 1102120101163. The reversal of 1102120101121 is 1211010212011.

It is a happy number.

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 413659930896 + 688460170225 = 643164^2 + 829735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102120101121 - 2³ = 1102120101113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 84778469317 = 1102120101121 / (1 + 1 + 0 + 2 + 1 + 2 + 0 + 1 + 0 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102120101521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42389234646 + ... + 42389234671.

It is an arithmetic number, because the mean of its divisors is an integer number (296724642613).

Almost surely, 2^{1102120101121} is an apocalyptic number.

It is an amenable number.

1102120101121 is a deficient number, since it is larger than the sum of its proper divisors (84778469331).

1102120101121 is an equidigital number, since it uses as much as digits as its factorization.

1102120101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84778469330.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102120101121 its reverse (1211010212011), we get a palindrome (2313130313132).

The spelling of 1102120101121 in words is "one trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".