100120120220203 has 2 divisors, whose sum is σ = 100120120220204. Its totient is φ = 100120120220202.

The previous prime is 100120120220149. The next prime is 100120120220209. The reversal of 100120120220203 is 302022021021001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100120120220203 - 2¹⁷ = 100120120089131 is a prime.

It is a super-2 number, since 2×100120120220203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100120120220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060060110101 + 50060060110102.

It is an arithmetic number, because the mean of its divisors is an integer number (50060060110102).

Almost surely, 2^{100120120220203} is an apocalyptic number.

100120120220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120120220203 is an equidigital number, since it uses as much as digits as its factorization.

100120120220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100120120220203 its reverse (302022021021001), we get a palindrome (402142141241204).

The spelling of 100120120220203 in words is "one hundred trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty thousand, two hundred three".