100221001001012 has 24 divisors (see below), whose sum is σ = 178005147688704. Its totient is φ = 49362393117312.

The previous prime is 100221001000957. The next prime is 100221001001021. The reversal of 100221001001012 is 210100100122001.

100221001001012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100221001000984 and 100221001001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91121948 + ... + 92215244.

It is an arithmetic number, because the mean of its divisors is an integer number (7416881153696).

Almost surely, 2^{100221001001012} is an apocalyptic number.

It is an amenable number.

100221001001012 is a deficient number, since it is larger than the sum of its proper divisors (77784146687692).

100221001001012 is a wasteful number, since it uses less digits than its factorization.

100221001001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435415 (or 1435413 counting only the distinct ones).

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

Adding to 100221001001012 its reverse (210100100122001), we get a palindrome (310321101123013).

The spelling of 100221001001012 in words is "one hundred trillion, two hundred twenty-one billion, one million, one thousand, twelve".