121011222110222 has 16 divisors (see below), whose sum is σ = 183523860715392. Its totient is φ = 59840132263800.

The previous prime is 121011222110069. The next prime is 121011222110227. The reversal of 121011222110222 is 222011222110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011222110194 and 121011222110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011222110227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882529268 + ... + 882666375.

It is an arithmetic number, because the mean of its divisors is an integer number (11470241294712).

Almost surely, 2^{121011222110222} is an apocalyptic number.

121011222110222 is a deficient number, since it is larger than the sum of its proper divisors (62512638605170).

121011222110222 is a wasteful number, since it uses less digits than its factorization.

121011222110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765196023.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121011222110222 its reverse (222011222110121), we get a palindrome (343022444220343).

The spelling of 121011222110222 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".