100121002221211 has 4 divisors (see below), whose sum is σ = 102251236311072. Its totient is φ = 97990768131352.

The previous prime is 100121002221179. The next prime is 100121002221217. The reversal of 100121002221211 is 112122200121001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100121002221211 - 2⁵ = 100121002221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121002221217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065117044860 + ... + 1065117044953.

It is an arithmetic number, because the mean of its divisors is an integer number (25562809077768).

Almost surely, 2^{100121002221211} is an apocalyptic number.

100121002221211 is a deficient number, since it is larger than the sum of its proper divisors (2130234089861).

100121002221211 is an equidigital number, since it uses as much as digits as its factorization.

100121002221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130234089860.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121002221211 its reverse (112122200121001), we get a palindrome (212243202342212).

The spelling of 100121002221211 in words is "one hundred trillion, one hundred twenty-one billion, two million, two hundred twenty-one thousand, two hundred eleven".