100021200119 has 4 divisors (see below), whose sum is σ = 105904800144. Its totient is φ = 94137600096.

The previous prime is 100021200079. The next prime is 100021200151. The reversal of 100021200119 is 911002120001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911002120001 = 97 ⋅9391774433.

It is a de Polignac number, because none of the positive numbers 2^k-100021200119 is a prime.

It is a super-2 number, since 2×100021200119² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 5883600007 = 100021200119 / (1 + 0 + 0 + 0 + 2 + 1 + 2 + 0 + 0 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021200097 and 100021200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021206119) 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, 2941799987 + ... + 2941800020.

It is an arithmetic number, because the mean of its divisors is an integer number (26476200036).

Almost surely, 2^100021200119 is an apocalyptic number.

100021200119 is a deficient number, since it is larger than the sum of its proper divisors (5883600025).

100021200119 is an equidigital number, since it uses as much as digits as its factorization.

100021200119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883600024.

The product of its (nonzero) digits is 36, while the sum is 17.

It can be divided in two parts, 10002 and 1200119, that added together give a palindrome (1210121).

The spelling of 100021200119 in words is "one hundred billion, twenty-one million, two hundred thousand, one hundred nineteen".