100020120311003 has 4 divisors (see below), whose sum is σ = 100020479577480. Its totient is φ = 100019761044528.

The previous prime is 100020120310991. The next prime is 100020120311057. The reversal of 100020120311003 is 300113021020001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100020120311003 - 2¹⁰ = 100020120309979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020120611003) 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, 179215313 + ... + 179772546.

It is an arithmetic number, because the mean of its divisors is an integer number (25005119894370).

Almost surely, 2^{100020120311003} is an apocalyptic number.

100020120311003 is a deficient number, since it is larger than the sum of its proper divisors (359266477).

100020120311003 is an equidigital number, since it uses as much as digits as its factorization.

100020120311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359266476.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100020120311003 its reverse (300113021020001), we get a palindrome (400133141331004).

The spelling of 100020120311003 in words is "one hundred trillion, twenty billion, one hundred twenty million, three hundred eleven thousand, three".