11012102100 has 108 divisors (see below), whose sum is σ = 35630358400. Its totient is φ = 2841825600.

The previous prime is 11012102093. The next prime is 11012102113. The reversal of 11012102100 is 120121011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 169450 + ... + 225249.

Almost surely, 2^11012102100 is an apocalyptic number.

11012102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012102100 is an abundant number, since it is smaller than the sum of its proper divisors (24618256300).

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

11012102100 is a wasteful number, since it uses less digits than its factorization.

11012102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394750 (or 394740 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11012102100 its reverse (120121011), we get a palindrome (11132223111).

The spelling of 11012102100 in words is "eleven billion, twelve million, one hundred two thousand, one hundred".