2101100023502 has 8 divisors (see below), whose sum is σ = 3151656387696. Its totient is φ = 1050547894272.

The previous prime is 2101100023501. The next prime is 2101100023553. The reversal of 2101100023502 is 2053200011012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100023501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924878 + ... + 2248910.

It is an arithmetic number, because the mean of its divisors is an integer number (393957048462).

Almost surely, 2^{2101100023502} is an apocalyptic number.

2101100023502 is a deficient number, since it is larger than the sum of its proper divisors (1050556364194).

2101100023502 is a wasteful number, since it uses less digits than its factorization.

2101100023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117482.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 2101100023502 its reverse (2053200011012), we get a palindrome (4154300034514).

The spelling of 2101100023502 in words is "two trillion, one hundred one billion, one hundred million, twenty-three thousand, five hundred two".