102222120230321 has 32 divisors (see below), whose sum is σ = 126104646232320. Its totient is φ = 80691016783104.

The previous prime is 102222120230309. The next prime is 102222120230341. The reversal of 102222120230321 is 123032021222201.

It is a happy number.

It is not a de Polignac number, because 102222120230321 - 2¹⁴ = 102222120213937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102222120230341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69794486 + ... + 71244048.

It is an arithmetic number, because the mean of its divisors is an integer number (3940770194760).

Almost surely, 2^{102222120230321} is an apocalyptic number.

It is an amenable number.

102222120230321 is a deficient number, since it is larger than the sum of its proper divisors (23882526001999).

102222120230321 is a wasteful number, since it uses less digits than its factorization.

102222120230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451385.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102222120230321 its reverse (123032021222201), we get a palindrome (225254141452522).

The spelling of 102222120230321 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred thirty thousand, three hundred twenty-one".