121211200022 has 64 divisors (see below), whose sum is σ = 205228235520.
Its totient is φ = 53222832000.
The previous prime is 121211199983. The next prime is 121211200039. The reversal of 121211200022 is 220002112121.
Adding to 121211200022 its reverse (220002112121), we get a palindrome (341213312143).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20713397 + ... + 20719247.
It is an arithmetic number, because the mean of its divisors is an integer number (3206691180).
Almost surely, 2121211200022 is an apocalyptic number.
121211200022 is a deficient number, since it is larger than the sum of its proper divisors (84017035498).
121211200022 is a wasteful number, since it uses less digits than its factorization.
121211200022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6189.
The product of its (nonzero) digits is 32, while the sum is 14.
The spelling of 121211200022 in words is "one hundred twenty-one billion, two hundred eleven million, two hundred thousand, twenty-two".