11420121110 has 64 divisors (see below), whose sum is σ = 21973109760. Its totient is φ = 4273315840.

The previous prime is 11420121109. The next prime is 11420121113. The reversal of 11420121110 is 1112102411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9383222 + ... + 9384438.

It is an arithmetic number, because the mean of its divisors is an integer number (343329840).

Almost surely, 2^11420121110 is an apocalyptic number.

11420121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11420121110 is a deficient number, since it is larger than the sum of its proper divisors (10552988650).

11420121110 is a wasteful number, since it uses less digits than its factorization.

11420121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11420121110 its reverse (1112102411), we get a palindrome (12532223521).

The spelling of 11420121110 in words is "eleven billion, four hundred twenty million, one hundred twenty-one thousand, one hundred ten".