100211121002 has 4 divisors (see below), whose sum is σ = 150316681506. Its totient is φ = 50105560500.

The previous prime is 100211120987. The next prime is 100211121019. The reversal of 100211121002 is 200121112001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200121112001 = 5639 ⋅35488759.

It can be written as a sum of positive squares in only one way, i.e., 96746503681 + 3464617321 = 311041^2 + 58861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052780249 + ... + 25052780252.

Almost surely, 2^100211121002 is an apocalyptic number.

100211121002 is a deficient number, since it is larger than the sum of its proper divisors (50105560504).

100211121002 is an equidigital number, since it uses as much as digits as its factorization.

100211121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50105560503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100211121002 its reverse (200121112001), we get a palindrome (300332233003).

Subtracting 100211121002 from its reverse (200121112001), we obtain a palindrome (99909990999).

The spelling of 100211121002 in words is "one hundred billion, two hundred eleven million, one hundred twenty-one thousand, two".