2130242442100 has 18 divisors (see below), whose sum is σ = 4622626099574. Its totient is φ = 852096976800.

The previous prime is 2130242442079. The next prime is 2130242442101. The reversal of 2130242442100 is 12442420312.

It can be written as a sum of positive squares in 3 ways, for example, as 10318090084 + 2119924352016 = 101578^2 + 1455996^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130242442101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10651212111 + ... + 10651212310.

Almost surely, 2^{2130242442100} is an apocalyptic number.

2130242442100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130242442100 is an abundant number, since it is smaller than the sum of its proper divisors (2492383657474).

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

2130242442100 is a wasteful number, since it uses less digits than its factorization.

2130242442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302424435 (or 21302424428 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2130242442100 its reverse (12442420312), we get a palindrome (2142684862412).

The spelling of 2130242442100 in words is "two trillion, one hundred thirty billion, two hundred forty-two million, four hundred forty-two thousand, one hundred".