100111020020002 has 4 divisors (see below), whose sum is σ = 150166530030006. Its totient is φ = 50055510010000.

The previous prime is 100111020019999. The next prime is 100111020020021. The reversal of 100111020020002 is 200020020111001.

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

It can be written as a sum of positive squares in only one way, i.e., 59773138853481 + 40337881166521 = 7731309^2 + 6351211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027755004999 + ... + 25027755005002.

Almost surely, 2^{100111020020002} is an apocalyptic number.

100111020020002 is a deficient number, since it is larger than the sum of its proper divisors (50055510010004).

100111020020002 is an equidigital number, since it uses as much as digits as its factorization.

100111020020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50055510010003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100111020020002 its reverse (200020020111001), we get a palindrome (300131040131003).

Subtracting 100111020020002 from its reverse (200020020111001), we obtain a palindrome (99909000090999).

The spelling of 100111020020002 in words is "one hundred trillion, one hundred eleven billion, twenty million, twenty thousand, two".