100220212121999 has 8 divisors (see below), whose sum is σ = 105495083875440. Its totient is φ = 94945352743296.

The previous prime is 100220212121977. The next prime is 100220212122013. The reversal of 100220212121999 is 999121212022001.

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 100220212121999 - 2²⁴ = 100220195344783 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 (100220212121599) 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, 16815377 + ... + 21981749.

It is an arithmetic number, because the mean of its divisors is an integer number (13186885484430).

Almost surely, 2^{100220212121999} is an apocalyptic number.

100220212121999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100220212121999 is a deficient number, since it is larger than the sum of its proper divisors (5274871753441).

100220212121999 is a wasteful number, since it uses less digits than its factorization.

100220212121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187369.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 100220212121999 in words is "one hundred trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred ninety-nine".