2100102445 has 8 divisors (see below), whose sum is σ = 2880140544. Its totient is φ = 1440070224.

The previous prime is 2100102443. The next prime is 2100102467. The reversal of 2100102445 is 5442010012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100102445 - 2¹ = 2100102443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100102443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30001429 + ... + 30001498.

It is an arithmetic number, because the mean of its divisors is an integer number (360017568).

Almost surely, 2^2100102445 is an apocalyptic number.

It is an amenable number.

2100102445 is a deficient number, since it is larger than the sum of its proper divisors (780038099).

2100102445 is an equidigital number, since it uses as much as digits as its factorization.

2100102445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60002939.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2100102445 is about 45826.8747025149. The cubic root of 2100102445 is about 1280.5999882890.

Adding to 2100102445 its reverse (5442010012), we get a palindrome (7542112457).

The spelling of 2100102445 in words is "two billion, one hundred million, one hundred two thousand, four hundred forty-five".