100121022211201 has 4 divisors (see below), whose sum is σ = 100121947626672. Its totient is φ = 100120096795732.

The previous prime is 100121022211187. The next prime is 100121022211207. The reversal of 100121022211201 is 102112220121001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100121022211201 - 2¹⁷ = 100121022080129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121022211207) 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, 462545431 + ... + 462761836.

It is an arithmetic number, because the mean of its divisors is an integer number (25030486906668).

Almost surely, 2^{100121022211201} is an apocalyptic number.

It is an amenable number.

100121022211201 is a deficient number, since it is larger than the sum of its proper divisors (925415471).

100121022211201 is an equidigital number, since it uses as much as digits as its factorization.

100121022211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925415470.

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

Adding to 100121022211201 its reverse (102112220121001), we get a palindrome (202233242332202).

The spelling of 100121022211201 in words is "one hundred trillion, one hundred twenty-one billion, twenty-two million, two hundred eleven thousand, two hundred one".