121120220122222 has 16 divisors (see below), whose sum is σ = 181808910333792. Its totient is φ = 60517251637920.

The previous prime is 121120220122163. The next prime is 121120220122229. The reversal of 121120220122222 is 222221022021121.

It is a super-2 number, since 2×121120220122222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121120220122193 and 121120220122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120220122229) 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, 159628783 + ... + 160385749.

It is an arithmetic number, because the mean of its divisors is an integer number (11363056895862).

Almost surely, 2^{121120220122222} is an apocalyptic number.

121120220122222 is a deficient number, since it is larger than the sum of its proper divisors (60688690211570).

121120220122222 is a wasteful number, since it uses less digits than its factorization.

121120220122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813483.

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

Adding to 121120220122222 its reverse (222221022021121), we get a palindrome (343341242143343).

The spelling of 121120220122222 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".