11120121211102 has 4 divisors (see below), whose sum is σ = 16680181816656. Its totient is φ = 5560060605550.

The previous prime is 11120121211099. The next prime is 11120121211187. The reversal of 11120121211102 is 20111212102111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11120121211102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780030302774 + ... + 2780030302777.

It is an arithmetic number, because the mean of its divisors is an integer number (4170045454164).

Almost surely, 2^{11120121211102} is an apocalyptic number.

11120121211102 is a deficient number, since it is larger than the sum of its proper divisors (5560060605554).

11120121211102 is an equidigital number, since it uses as much as digits as its factorization.

11120121211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560060605553.

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

Adding to 11120121211102 its reverse (20111212102111), we get a palindrome (31231333313213).

The spelling of 11120121211102 in words is "eleven trillion, one hundred twenty billion, one hundred twenty-one million, two hundred eleven thousand, one hundred two".