221102120102222 has 4 divisors (see below), whose sum is σ = 331653180153336. Its totient is φ = 110551060051110.

The previous prime is 221102120102207. The next prime is 221102120102233. The reversal of 221102120102222 is 222201021201122.

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

It is a super-2 number, since 2×221102120102222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221102120102194 and 221102120102203.

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, 55275530025554 + ... + 55275530025557.

It is an arithmetic number, because the mean of its divisors is an integer number (82913295038334).

Almost surely, 2^{221102120102222} is an apocalyptic number.

221102120102222 is a deficient number, since it is larger than the sum of its proper divisors (110551060051114).

221102120102222 is a wasteful number, since it uses less digits than its factorization.

221102120102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110551060051113.

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

Adding to 221102120102222 its reverse (222201021201122), we get a palindrome (443303141303344).

The spelling of 221102120102222 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty million, one hundred two thousand, two hundred twenty-two".