11220102121 has 8 divisors (see below), whose sum is σ = 11710675584. Its totient is φ = 10729757280.

The previous prime is 11220102083. The next prime is 11220102139. The reversal of 11220102121 is 12120102211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220102121 - 2⁷ = 11220101993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220102191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47220 + ... + 157066.

It is an arithmetic number, because the mean of its divisors is an integer number (1463834448).

Almost surely, 2^11220102121 is an apocalyptic number.

It is an amenable number.

11220102121 is a deficient number, since it is larger than the sum of its proper divisors (490573463).

11220102121 is a wasteful number, since it uses less digits than its factorization.

11220102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114311.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220102121 its reverse (12120102211), we get a palindrome (23340204332).

The spelling of 11220102121 in words is "eleven billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".