210100102011121 has 4 divisors (see below), whose sum is σ = 240114402298432. Its totient is φ = 180085801723812.

The previous prime is 210100102011101. The next prime is 210100102011143. The reversal of 210100102011121 is 121110201001012.

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 210100102011121 - 2¹¹ = 210100102009073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100102011101) 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, 15007150143645 + ... + 15007150143658.

It is an arithmetic number, because the mean of its divisors is an integer number (60028600574608).

Almost surely, 2^{210100102011121} is an apocalyptic number.

It is an amenable number.

210100102011121 is a deficient number, since it is larger than the sum of its proper divisors (30014300287311).

210100102011121 is an equidigital number, since it uses as much as digits as its factorization.

210100102011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30014300287310.

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

Adding to 210100102011121 its reverse (121110201001012), we get a palindrome (331210303012133).

The spelling of 210100102011121 in words is "two hundred ten trillion, one hundred billion, one hundred two million, eleven thousand, one hundred twenty-one".