102220121102222 has 24 divisors (see below), whose sum is σ = 158456935130400. Its totient is φ = 49454772474720.

The previous prime is 102220121102221. The next prime is 102220121102237. The reversal of 102220121102222 is 222201121022201.

It is a junction number, because it is equal to n+sod(n) for n = 102220121102194 and 102220121102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220121102221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10938779 + ... + 18002697.

It is an arithmetic number, because the mean of its divisors is an integer number (6602372297100).

Almost surely, 2^{102220121102222} is an apocalyptic number.

102220121102222 is a deficient number, since it is larger than the sum of its proper divisors (56236814028178).

102220121102222 is an equidigital number, since it uses as much as digits as its factorization.

102220121102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071512 (or 7071481 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102220121102222 its reverse (222201121022201), we get a palindrome (324421242124423).

The spelling of 102220121102222 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".