100120199953 has 2 divisors, whose sum is σ = 100120199954. Its totient is φ = 100120199952.

The previous prime is 100120199929. The next prime is 100120200007. The reversal of 100120199953 is 359991021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75794494864 + 24325705089 = 275308^2 + 155967^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120199953 - 2¹³ = 100120191761 is a prime.

It is not a weakly prime, because it can be changed into another prime (100120190953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060099976 + 50060099977.

It is an arithmetic number, because the mean of its divisors is an integer number (50060099977).

Almost surely, 2^100120199953 is an apocalyptic number.

It is an amenable number.

100120199953 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120199953 is an equidigital number, since it uses as much as digits as its factorization.

100120199953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 40.

The spelling of 100120199953 in words is "one hundred billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred fifty-three".