100201001012122 has 4 divisors (see below), whose sum is σ = 150301501518186. Its totient is φ = 50100500506060.

The previous prime is 100201001012083. The next prime is 100201001012141. The reversal of 100201001012122 is 221210100102001.

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., 74111799010041 + 26089202002081 = 8608821^2 + 5107759^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050250253029 + ... + 25050250253032.

Almost surely, 2^{100201001012122} is an apocalyptic number.

100201001012122 is a deficient number, since it is larger than the sum of its proper divisors (50100500506064).

100201001012122 is an equidigital number, since it uses as much as digits as its factorization.

100201001012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50100500506063.

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

Adding to 100201001012122 its reverse (221210100102001), we get a palindrome (321411101114123).

The spelling of 100201001012122 in words is "one hundred trillion, two hundred one billion, one million, twelve thousand, one hundred twenty-two".