100121222000201 has 4 divisors (see below), whose sum is σ = 100570196090112. Its totient is φ = 99672247910292.

The previous prime is 100121222000183. The next prime is 100121222000213. The reversal of 100121222000201 is 102000222121001.

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 a de Polignac number, because none of the positive numbers 2^k-100121222000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121222000291) 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, 224487044621 + ... + 224487045066.

It is an arithmetic number, because the mean of its divisors is an integer number (25142549022528).

Almost surely, 2^{100121222000201} is an apocalyptic number.

It is an amenable number.

100121222000201 is a deficient number, since it is larger than the sum of its proper divisors (448974089911).

100121222000201 is an equidigital number, since it uses as much as digits as its factorization.

100121222000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448974089910.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100121222000201 its reverse (102000222121001), we get a palindrome (202121444121202).

The spelling of 100121222000201 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred one", and thus it is an aban number.