20011111200222 has 32 divisors (see below), whose sum is σ = 40165420433184. Its totient is φ = 6646504972800.

The previous prime is 20011111200203. The next prime is 20011111200229. The reversal of 20011111200222 is 22200211111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011111200229) 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, 136352722 + ... + 136499402.

It is an arithmetic number, because the mean of its divisors is an integer number (1255169388537).

Almost surely, 2^{20011111200222} is an apocalyptic number.

20011111200222 is an abundant number, since it is smaller than the sum of its proper divisors (20154309232962).

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

20011111200222 is a wasteful number, since it uses less digits than its factorization.

20011111200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227884.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011111200222 its reverse (22200211111002), we get a palindrome (42211322311224).

The spelling of 20011111200222 in words is "twenty trillion, eleven billion, one hundred eleven million, two hundred thousand, two hundred twenty-two".