20212212022122 has 64 divisors (see below), whose sum is σ = 40704905894400. Its totient is φ = 6690794611200.

The previous prime is 20212212022091. The next prime is 20212212022153. The reversal of 20212212022122 is 22122021221202.

It is an interprime number because it is at equal distance from previous prime (20212212022091) and next prime (20212212022153).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817802879 + ... + 1817813997.

It is an arithmetic number, because the mean of its divisors is an integer number (636014154600).

Almost surely, 2^{20212212022122} is an apocalyptic number.

20212212022122 is an abundant number, since it is smaller than the sum of its proper divisors (20492693872278).

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

20212212022122 is a wasteful number, since it uses less digits than its factorization.

20212212022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14031.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20212212022122 its reverse (22122021221202), we get a palindrome (42334233243324).

The spelling of 20212212022122 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, twenty-two thousand, one hundred twenty-two".