100211201121001 has 4 divisors (see below), whose sum is σ = 100212757187472. Its totient is φ = 100209645054532.

The previous prime is 100211201120917. The next prime is 100211201121007. The reversal of 100211201121001 is 100121102112001.

It is a happy number.

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 100211201121001 - 2⁹ = 100211201120489 is a prime.

It is a super-2 number, since 2×100211201121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211201121007) 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, 777936631 + ... + 778065436.

It is an arithmetic number, because the mean of its divisors is an integer number (25053189296868).

Almost surely, 2^{100211201121001} is an apocalyptic number.

It is an amenable number.

100211201121001 is a deficient number, since it is larger than the sum of its proper divisors (1556066471).

100211201121001 is an equidigital number, since it uses as much as digits as its factorization.

100211201121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556066470.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100211201121001 its reverse (100121102112001), we get a palindrome (200332303233002).

The spelling of 100211201121001 in words is "one hundred trillion, two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, one".