20122222021112 has 8 divisors (see below), whose sum is σ = 37729166289600. Its totient is φ = 10061111010552.

The previous prime is 20122222021091. The next prime is 20122222021169. The reversal of 20122222021112 is 21112022222102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20122222021112³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257638876312 + ... + 1257638876327.

It is an arithmetic number, because the mean of its divisors is an integer number (4716145786200).

Almost surely, 2^{20122222021112} is an apocalyptic number.

It is an amenable number.

20122222021112 is a deficient number, since it is larger than the sum of its proper divisors (17606944268488).

20122222021112 is a wasteful number, since it uses less digits than its factorization.

20122222021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515277752645 (or 2515277752641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122222021112 its reverse (21112022222102), we get a palindrome (41234244243214).

The spelling of 20122222021112 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".