1102011102121 has 4 divisors (see below), whose sum is σ = 1102047494032. Its totient is φ = 1101974710212.

The previous prime is 1102011102103. The next prime is 1102011102139. The reversal of 1102011102121 is 1212011102011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1102011102103) and next prime (1102011102139).

It is a cyclic number.

It is not a de Polignac number, because 1102011102121 - 2³⁷ = 964572148649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102011105121) 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, 18150495 + ... + 18211108.

It is an arithmetic number, because the mean of its divisors is an integer number (275511873508).

Almost surely, 2^{1102011102121} is an apocalyptic number.

It is an amenable number.

1102011102121 is a deficient number, since it is larger than the sum of its proper divisors (36391911).

1102011102121 is an equidigital number, since it uses as much as digits as its factorization.

1102011102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391910.

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

Adding to 1102011102121 its reverse (1212011102011), we get a palindrome (2314022204132).

The spelling of 1102011102121 in words is "one trillion, one hundred two billion, eleven million, one hundred two thousand, one hundred twenty-one".