102231311211101 has 4 divisors (see below), whose sum is σ = 105756528839100. Its totient is φ = 98706093583104.

The previous prime is 102231311211097. The next prime is 102231311211109. The reversal of 102231311211101 is 101112113132201.

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 54742315428025 + 47488995783076 = 7398805^2 + 6891226^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231311211101 - 2² = 102231311211097 is a prime.

It is a super-2 number, since 2×102231311211101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231311211109) 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, 1762608813956 + ... + 1762608814013.

It is an arithmetic number, because the mean of its divisors is an integer number (26439132209775).

Almost surely, 2^{102231311211101} is an apocalyptic number.

It is an amenable number.

102231311211101 is a deficient number, since it is larger than the sum of its proper divisors (3525217627999).

102231311211101 is an equidigital number, since it uses as much as digits as its factorization.

102231311211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525217627998.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 102231311211101 its reverse (101112113132201), we get a palindrome (203343424343302).

The spelling of 102231311211101 in words is "one hundred two trillion, two hundred thirty-one billion, three hundred eleven million, two hundred eleven thousand, one hundred one".