20022201101222 has 32 divisors (see below), whose sum is σ = 32236770928032. Its totient is φ = 9292798255104.

The previous prime is 20022201101209. The next prime is 20022201101237. The reversal of 20022201101222 is 22210110222002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20022201101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74790518 + ... + 75057750.

It is an arithmetic number, because the mean of its divisors is an integer number (1007399091501).

Almost surely, 2^{20022201101222} is an apocalyptic number.

20022201101222 is a deficient number, since it is larger than the sum of its proper divisors (12214569826810).

20022201101222 is a wasteful number, since it uses less digits than its factorization.

20022201101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297512.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022201101222 its reverse (22210110222002), we get a palindrome (42232311323224).

The spelling of 20022201101222 in words is "twenty trillion, twenty-two billion, two hundred one million, one hundred one thousand, two hundred twenty-two".