100200110022121 has 4 divisors (see below), whose sum is σ = 101842734776644. Its totient is φ = 98557485267600.

The previous prime is 100200110022119. The next prime is 100200110022151. The reversal of 100200110022121 is 121220011002001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37026799051225 + 63173310970896 = 6084965^2 + 7948164^2 .

It is a cyclic number.

It is not a de Polignac number, because 100200110022121 - 2¹ = 100200110022119 is a prime.

It is a super-4 number, since 4×100200110022121⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100200110022151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821312377170 + ... + 821312377291.

It is an arithmetic number, because the mean of its divisors is an integer number (25460683694161).

Almost surely, 2^{100200110022121} is an apocalyptic number.

It is an amenable number.

100200110022121 is a deficient number, since it is larger than the sum of its proper divisors (1642624754523).

100200110022121 is an equidigital number, since it uses as much as digits as its factorization.

100200110022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642624754522.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100200110022121 its reverse (121220011002001), we get a palindrome (221420121024122).

The spelling of 100200110022121 in words is "one hundred trillion, two hundred billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".