120100219951 has 2 divisors, whose sum is σ = 120100219952. Its totient is φ = 120100219950.

The previous prime is 120100219931. The next prime is 120100220033. The reversal of 120100219951 is 159912001021.

It is a weak prime.

It is an emirp because it is prime and its reverse (159912001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100219951 - 2⁷ = 120100219823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100219931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050109975 + 60050109976.

It is an arithmetic number, because the mean of its divisors is an integer number (60050109976).

Almost surely, 2^120100219951 is an apocalyptic number.

120100219951 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100219951 is an equidigital number, since it uses as much as digits as its factorization.

120100219951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 31.

The spelling of 120100219951 in words is "one hundred twenty billion, one hundred million, two hundred nineteen thousand, nine hundred fifty-one".