121011111202222 has 8 divisors (see below), whose sum is σ = 181516727030472. Its totient is φ = 60505535525400.

The previous prime is 121011111202217. The next prime is 121011111202271. The reversal of 121011111202222 is 222202111110121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121011111202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804529 + ... + 15577852.

It is an arithmetic number, because the mean of its divisors is an integer number (22689590878809).

Almost surely, 2^{121011111202222} is an apocalyptic number.

121011111202222 is a deficient number, since it is larger than the sum of its proper divisors (60505615828250).

121011111202222 is a wasteful number, since it uses less digits than its factorization.

121011111202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075714.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121011111202222 its reverse (222202111110121), we get a palindrome (343213222312343).

The spelling of 121011111202222 in words is "one hundred twenty-one trillion, eleven billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".