100212222111209 has 32 divisors (see below), whose sum is σ = 115284572282880. Its totient is φ = 86288595628032.

The previous prime is 100212222111181. The next prime is 100212222111227. The reversal of 100212222111209 is 902111222212001.

It is a cyclic number.

It is not a de Polignac number, because 100212222111209 - 2¹⁶ = 100212222045673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212222111229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914131802 + ... + 914241420.

It is an arithmetic number, because the mean of its divisors is an integer number (3602642883840).

Almost surely, 2^{100212222111209} is an apocalyptic number.

It is an amenable number.

100212222111209 is a deficient number, since it is larger than the sum of its proper divisors (15072350171671).

100212222111209 is a wasteful number, since it uses less digits than its factorization.

100212222111209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146369.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 100212222111209 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred nine".