121020112222 has 32 divisors (see below), whose sum is σ = 188794267200. Its totient is φ = 58111603200.

The previous prime is 121020112201. The next prime is 121020112249. The reversal of 121020112222 is 222211020121.

It is a happy number.

It is a super-3 number, since 3×121020112222³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121020112196 and 121020112205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12841072 + ... + 12850492.

It is an arithmetic number, because the mean of its divisors is an integer number (5899820850).

Almost surely, 2^121020112222 is an apocalyptic number.

121020112222 is a deficient number, since it is larger than the sum of its proper divisors (67774154978).

121020112222 is a wasteful number, since it uses less digits than its factorization.

121020112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121020112222 its reverse (222211020121), we get a palindrome (343231132343).

The spelling of 121020112222 in words is "one hundred twenty-one billion, twenty million, one hundred twelve thousand, two hundred twenty-two".