2101011342100 has 54 divisors (see below), whose sum is σ = 5011346173022. Its totient is φ = 764004120000.

The previous prime is 2101011342019. The next prime is 2101011342119. The reversal of 2101011342100 is 12431101012.

It can be written as a sum of positive squares in 3 ways, for example, as 336587946244 + 1764423395856 = 580162^2 + 1328316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86806551 + ... + 86830750.

Almost surely, 2^{2101011342100} is an apocalyptic number.

2101011342100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101011342100 is an abundant number, since it is smaller than the sum of its proper divisors (2910334830922).

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

2101011342100 is a wasteful number, since it uses less digits than its factorization.

2101011342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173637337 (or 173637319 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2101011342100 its reverse (12431101012), we get a palindrome (2113442443112).

The spelling of 2101011342100 in words is "two trillion, one hundred one billion, eleven million, three hundred forty-two thousand, one hundred".