20011222000022 has 16 divisors (see below), whose sum is σ = 32745718137744. Its totient is φ = 9095987184000.

The previous prime is 20011221999917. The next prime is 20011222000037. The reversal of 20011222000022 is 22000022211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011221999970 and 20011222000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443122 + ... + 12209882.

It is an arithmetic number, because the mean of its divisors is an integer number (2046607383609).

Almost surely, 2^{20011222000022} is an apocalyptic number.

20011222000022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011222000022 is a deficient number, since it is larger than the sum of its proper divisors (12734496137722).

20011222000022 is a wasteful number, since it uses less digits than its factorization.

20011222000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281615.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20011222000022 its reverse (22000022211002), we get a palindrome (42011244211024).

The spelling of 20011222000022 in words is "twenty trillion, eleven billion, two hundred twenty-two million, twenty-two", and thus it is an aban number.