121011011222202 has 64 divisors (see below), whose sum is σ = 275668099320960. Its totient is φ = 39333130941312.

The previous prime is 121011011222191. The next prime is 121011011222219. The reversal of 121011011222202 is 202222110110121.

121011011222202 is a `hidden beast` number, since 1 + 210 + 110 + 1 + 122 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129232803 + ... + 130165814.

It is an arithmetic number, because the mean of its divisors is an integer number (4307314051890).

Almost surely, 2^{121011011222202} is an apocalyptic number.

121011011222202 is an abundant number, since it is smaller than the sum of its proper divisors (154657088098758).

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

121011011222202 is a wasteful number, since it uses less digits than its factorization.

121011011222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259398844 (or 259398838 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121011011222202 its reverse (202222110110121), we get a palindrome (323233121332323).

The spelling of 121011011222202 in words is "one hundred twenty-one trillion, eleven billion, eleven million, two hundred twenty-two thousand, two hundred two".