11142020100 has 36 divisors (see below), whose sum is σ = 32237579024. Its totient is φ = 2971205280.

The previous prime is 11142020089. The next prime is 11142020137. The reversal of 11142020100 is 102024111.

It is a happy number.

It is a super-2 number, since 2×11142020100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18569734 + ... + 18570333.

Almost surely, 2^11142020100 is an apocalyptic number.

11142020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142020100 is an abundant number, since it is smaller than the sum of its proper divisors (21095558924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142020100 is a wasteful number, since it uses less digits than its factorization.

11142020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140084 (or 37140077 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11142020100 its reverse (102024111), we get a palindrome (11244044211).

The spelling of 11142020100 in words is "eleven billion, one hundred forty-two million, twenty thousand, one hundred".