121011100220222 has 16 divisors (see below), whose sum is σ = 187780335706800. Its totient is φ = 58417754774400.

The previous prime is 121011100220123. The next prime is 121011100220249. The reversal of 121011100220222 is 222022001110121.

It is a super-2 number, since 2×121011100220222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121011100220222.

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, 22499147 + ... + 27353862.

It is an arithmetic number, because the mean of its divisors is an integer number (11736270981675).

Almost surely, 2^{121011100220222} is an apocalyptic number.

121011100220222 is a deficient number, since it is larger than the sum of its proper divisors (66769235486578).

121011100220222 is a wasteful number, since it uses less digits than its factorization.

121011100220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49894891.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121011100220222 its reverse (222022001110121), we get a palindrome (343033101330343).

The spelling of 121011100220222 in words is "one hundred twenty-one trillion, eleven billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".