100212041121 has 8 divisors (see below), whose sum is σ = 133778410560. Its totient is φ = 66726849552.

The previous prime is 100212041119. The next prime is 100212041147. The reversal of 100212041121 is 121140212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100212041121 - 2¹ = 100212041119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212041121.

It is not an unprimeable number, because it can be changed into a prime (100212041191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20291586 + ... + 20296523.

It is an arithmetic number, because the mean of its divisors is an integer number (16722301320).

Almost surely, 2^100212041121 is an apocalyptic number.

It is an amenable number.

100212041121 is a deficient number, since it is larger than the sum of its proper divisors (33566369439).

100212041121 is an equidigital number, since it uses as much as digits as its factorization.

100212041121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40588935.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100212041121 its reverse (121140212001), we get a palindrome (221352253122).

The spelling of 100212041121 in words is "one hundred billion, two hundred twelve million, forty-one thousand, one hundred twenty-one".