100202122005 has 24 divisors (see below), whose sum is σ = 169205586912. Its totient is φ = 50628437856.

The previous prime is 100202121979. The next prime is 100202122051. The reversal of 100202122005 is 500221202001.

It is not a de Polignac number, because 100202122005 - 2¹¹ = 100202119957 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9246859 + ... + 9257688.

It is an arithmetic number, because the mean of its divisors is an integer number (7050232788).

Almost surely, 2^100202122005 is an apocalyptic number.

100202122005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100202122005 is a deficient number, since it is larger than the sum of its proper divisors (69003464907).

100202122005 is a wasteful number, since it uses less digits than its factorization.

100202122005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504593 (or 18504574 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 100202122005 its reverse (500221202001), we get a palindrome (600423324006).

The spelling of 100202122005 in words is "one hundred billion, two hundred two million, one hundred twenty-two thousand, five".