121011222 has 16 divisors (see below), whose sum is σ = 244285632. Its totient is φ = 39959880.

The previous prime is 121011199. The next prime is 121011223. The reversal of 121011222 is 222110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011198 and 121011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011223) 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, 93604 + ... + 94887.

It is an arithmetic number, because the mean of its divisors is an integer number (15267852).

Almost surely, 2^121011222 is an apocalyptic number.

121011222 is an abundant number, since it is smaller than the sum of its proper divisors (123274410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121011222 is a wasteful number, since it uses less digits than its factorization.

121011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188603.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121011222 is about 11000.5100790827. The cubic root of 121011222 is about 494.6240344840.

Adding to 121011222 its reverse (222110121), we get a palindrome (343121343).

The spelling of 121011222 in words is "one hundred twenty-one million, eleven thousand, two hundred twenty-two".