11142100020 has 24 divisors (see below), whose sum is σ = 31197880224. Its totient is φ = 2971226656.

The previous prime is 11142100003. The next prime is 11142100097. The reversal of 11142100020 is 2000124111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11142099969 and 11142100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92850774 + ... + 92850893.

It is an arithmetic number, because the mean of its divisors is an integer number (1299911676).

Almost surely, 2^11142100020 is an apocalyptic number.

11142100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142100020 is an abundant number, since it is smaller than the sum of its proper divisors (20055780204).

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

11142100020 is a wasteful number, since it uses less digits than its factorization.

11142100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185701679 (or 185701677 counting only the distinct ones).

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

Adding to 11142100020 its reverse (2000124111), we get a palindrome (13142224131).

The spelling of 11142100020 in words is "eleven billion, one hundred forty-two million, one hundred thousand, twenty".