2101334100 has 72 divisors (see below), whose sum is σ = 6179583648. Its totient is φ = 551164800.

The previous prime is 2101334077. The next prime is 2101334107. The reversal of 2101334100 is 14331012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2101334100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101334107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39114 + ... + 75713.

Almost surely, 2^2101334100 is an apocalyptic number.

2101334100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101334100 is an abundant number, since it is smaller than the sum of its proper divisors (4078249548).

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

2101334100 is a wasteful number, since it uses less digits than its factorization.

2101334100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114905 (or 114898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101334100 is about 45840.3108628203. The cubic root of 2101334100 is about 1280.8502854658.

Adding to 2101334100 its reverse (14331012), we get a palindrome (2115665112).

The spelling of 2101334100 in words is "two billion, one hundred one million, three hundred thirty-four thousand, one hundred".