100212120221109 has 128 divisors (see below), whose sum is σ = 150936134469120. Its totient is φ = 58746594816000.

The previous prime is 100212120221077. The next prime is 100212120221113. The reversal of 100212120221109 is 901122021212001.

It is not a de Polignac number, because 100212120221109 - 2⁵ = 100212120221077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212120221909) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14954797459 + ... + 14954804159.

It is an arithmetic number, because the mean of its divisors is an integer number (1179188550540).

Almost surely, 2^{100212120221109} is an apocalyptic number.

It is an amenable number.

100212120221109 is a deficient number, since it is larger than the sum of its proper divisors (50724014248011).

100212120221109 is a wasteful number, since it uses less digits than its factorization.

100212120221109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 100212120221109 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, one hundred nine".