20001112210222 has 32 divisors (see below), whose sum is σ = 37320051422304. Its totient is φ = 7898423577600.

The previous prime is 20001112210199. The next prime is 20001112210229. The reversal of 20001112210222 is 22201221110002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001112210196 and 20001112210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001112210229) 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, 2056876279 + ... + 2056886002.

It is an arithmetic number, because the mean of its divisors is an integer number (1166251606947).

Almost surely, 2^{20001112210222} is an apocalyptic number.

20001112210222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20001112210222 is a deficient number, since it is larger than the sum of its proper divisors (17318939212082).

20001112210222 is a wasteful number, since it uses less digits than its factorization.

20001112210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113762324.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20001112210222 its reverse (22201221110002), we get a palindrome (42202333320224).

It can be divided in two parts, 200011 and 12210222, that multiplied together give a palindrome (2442178712442).

The spelling of 20001112210222 in words is "twenty trillion, one billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-two".