102220231222 has 4 divisors (see below), whose sum is σ = 153330346836. Its totient is φ = 51110115610.

The previous prime is 102220231219. The next prime is 102220231237. The reversal of 102220231222 is 222132022201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222132022201 = 71 ⋅3128620031.

It is a super-2 number, since 2×102220231222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102220231222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555057804 + ... + 25555057807.

It is an arithmetic number, because the mean of its divisors is an integer number (38332586709).

Almost surely, 2^102220231222 is an apocalyptic number.

102220231222 is a deficient number, since it is larger than the sum of its proper divisors (51110115614).

102220231222 is an equidigital number, since it uses as much as digits as its factorization.

102220231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51110115613.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102220231222 its reverse (222132022201), we get a palindrome (324352253423).

The spelling of 102220231222 in words is "one hundred two billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-two".