102021232220311 has 4 divisors (see below), whose sum is σ = 102062721133800. Its totient is φ = 101979743306824.

The previous prime is 102021232220269. The next prime is 102021232220333. The reversal of 102021232220311 is 113022232120201.

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

It is a cyclic number.

It is not a de Polignac number, because 102021232220311 - 2⁷ = 102021232220183 is a prime.

It is a super-3 number, since 3×102021232220311³ (a number of 43 digits) contains 333 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 (102021232220351) 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, 20744453056 + ... + 20744457973.

It is an arithmetic number, because the mean of its divisors is an integer number (25515680283450).

Almost surely, 2^{102021232220311} is an apocalyptic number.

102021232220311 is a deficient number, since it is larger than the sum of its proper divisors (41488913489).

102021232220311 is an equidigital number, since it uses as much as digits as its factorization.

102021232220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41488913488.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102021232220311 its reverse (113022232120201), we get a palindrome (215043464340512).

The spelling of 102021232220311 in words is "one hundred two trillion, twenty-one billion, two hundred thirty-two million, two hundred twenty thousand, three hundred eleven".