121110222111022 has 16 divisors (see below), whose sum is σ = 189578942343072. Its totient is φ = 57917661230880.

The previous prime is 121110222111013. The next prime is 121110222111029. The reversal of 121110222111022 is 220111222011121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110222111029) 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, 104392053 + ... + 105545824.

It is an arithmetic number, because the mean of its divisors is an integer number (11848683896442).

Almost surely, 2^{121110222111022} is an apocalyptic number.

121110222111022 is a deficient number, since it is larger than the sum of its proper divisors (68468720232050).

121110222111022 is a wasteful number, since it uses less digits than its factorization.

121110222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209950443.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121110222111022 its reverse (220111222011121), we get a palindrome (341221444122143).

Subtracting 121110222111022 from its reverse (220111222011121), we obtain a palindrome (99000999900099).

The spelling of 121110222111022 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".