20011200022222 has 16 divisors (see below), whose sum is σ = 30985981488000. Its totient is φ = 9682558225920.

The previous prime is 20011200022201. The next prime is 20011200022237. The reversal of 20011200022222 is 22222000211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011200022196 and 20011200022205.

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, 2509347 + ... + 6805822.

It is an arithmetic number, because the mean of its divisors is an integer number (1936623843000).

Almost surely, 2^{20011200022222} is an apocalyptic number.

20011200022222 is a deficient number, since it is larger than the sum of its proper divisors (10974781465778).

20011200022222 is a wasteful number, since it uses less digits than its factorization.

20011200022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349851.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20011200022222 its reverse (22222000211002), we get a palindrome (42233200233224).

The spelling of 20011200022222 in words is "twenty trillion, eleven billion, two hundred million, twenty-two thousand, two hundred twenty-two".