100211210200121 has 4 divisors (see below), whose sum is σ = 105485484421200. Its totient is φ = 94936935979044.

The previous prime is 100211210200097. The next prime is 100211210200139. The reversal of 100211210200121 is 121002012112001.

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 100211210200121 - 2²² = 100211206005817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100211210200096 and 100211210200105.

It is not an unprimeable number, because it can be changed into a prime (100211200200121) 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, 2637137110511 + ... + 2637137110548.

It is an arithmetic number, because the mean of its divisors is an integer number (26371371105300).

Almost surely, 2^{100211210200121} is an apocalyptic number.

It is an amenable number.

100211210200121 is a deficient number, since it is larger than the sum of its proper divisors (5274274221079).

100211210200121 is an equidigital number, since it uses as much as digits as its factorization.

100211210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274274221078.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100211210200121 its reverse (121002012112001), we get a palindrome (221213222312122).

The spelling of 100211210200121 in words is "one hundred trillion, two hundred eleven billion, two hundred ten million, two hundred thousand, one hundred twenty-one".