122212121100022 has 32 divisors (see below), whose sum is σ = 187610551881984. Its totient is φ = 59692538287200.

The previous prime is 122212121099993. The next prime is 122212121100023. The reversal of 122212121100022 is 220001121212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212121100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6852348 + ... + 17069824.

It is an arithmetic number, because the mean of its divisors is an integer number (5862829746312).

Almost surely, 2^{122212121100022} is an apocalyptic number.

122212121100022 is a deficient number, since it is larger than the sum of its proper divisors (65398430781962).

122212121100022 is a wasteful number, since it uses less digits than its factorization.

122212121100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218324.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122212121100022 its reverse (220001121212221), we get a palindrome (342213242312243).

The spelling of 122212121100022 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred thousand, twenty-two".