121120221220222 has 16 divisors (see below), whose sum is σ = 210262951848960. Its totient is φ = 51251594512248.

The previous prime is 121120221220217. The next prime is 121120221220237. The reversal of 121120221220222 is 222022122021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120221220193 and 121120221220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54755975938 + ... + 54755978149.

It is an arithmetic number, because the mean of its divisors is an integer number (13141434490560).

Almost surely, 2^{121120221220222} is an apocalyptic number.

121120221220222 is a deficient number, since it is larger than the sum of its proper divisors (89142730628738).

121120221220222 is a wasteful number, since it uses less digits than its factorization.

121120221220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109511954175.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121120221220222 its reverse (222022122021121), we get a palindrome (343142343241343).

The spelling of 121120221220222 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".