121020111100222 has 16 divisors (see below), whose sum is σ = 187790925171600. Its totient is φ = 58423160434240.

The previous prime is 121020111100219. The next prime is 121020111100289. The reversal of 121020111100222 is 222001111020121.

It is a super-3 number, since 3×121020111100222³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 121020111100196 and 121020111100205.

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, 4055529 + ... + 16077547.

It is an arithmetic number, because the mean of its divisors is an integer number (11736932823225).

Almost surely, 2^{121020111100222} is an apocalyptic number.

121020111100222 is a deficient number, since it is larger than the sum of its proper divisors (66770814071378).

121020111100222 is a wasteful number, since it uses less digits than its factorization.

121020111100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195611.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121020111100222 its reverse (222001111020121), we get a palindrome (343021222120343).

The spelling of 121020111100222 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, one hundred thousand, two hundred twenty-two".