1101023100121 has 16 divisors (see below), whose sum is σ = 1357468792704. Its totient is φ = 871461437184.

The previous prime is 1101023100077. The next prime is 1101023100167. The reversal of 1101023100121 is 1210013201011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101023100121 - 2⁷ = 1101023099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101023100181) 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, 87279495 + ... + 87292108.

It is an arithmetic number, because the mean of its divisors is an integer number (84841799544).

Almost surely, 2^{1101023100121} is an apocalyptic number.

It is an amenable number.

1101023100121 is a deficient number, since it is larger than the sum of its proper divisors (256445692583).

1101023100121 is a wasteful number, since it uses less digits than its factorization.

1101023100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174571680.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1101023100121 its reverse (1210013201011), we get a palindrome (2311036301132).

The spelling of 1101023100121 in words is "one trillion, one hundred one billion, twenty-three million, one hundred thousand, one hundred twenty-one".