100001112221002 has 4 divisors (see below), whose sum is σ = 150001668331506. Its totient is φ = 50000556110500.

The previous prime is 100001112220931. The next prime is 100001112221009. The reversal of 100001112221002 is 200122211100001.

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., 72292353205081 + 27708759015921 = 8502491^2 + 5263911^2 .

It is not an unprimeable number, because it can be changed into a prime (100001112221009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000278055249 + ... + 25000278055252.

Almost surely, 2^{100001112221002} is an apocalyptic number.

100001112221002 is a deficient number, since it is larger than the sum of its proper divisors (50000556110504).

100001112221002 is an equidigital number, since it uses as much as digits as its factorization.

100001112221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000556110503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100001112221002 its reverse (200122211100001), we get a palindrome (300123323321003).

The spelling of 100001112221002 in words is "one hundred trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, two".