20021000110222 has 8 divisors (see below), whose sum is σ = 30031659630000. Its totient is φ = 10010446900224.

The previous prime is 20021000110201. The next prime is 20021000110231. The reversal of 20021000110222 is 22201100012002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20021000110222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26104947 + ... + 26860942.

It is an arithmetic number, because the mean of its divisors is an integer number (3753957453750).

Almost surely, 2^{20021000110222} is an apocalyptic number.

20021000110222 is a deficient number, since it is larger than the sum of its proper divisors (10010659519778).

20021000110222 is a wasteful number, since it uses less digits than its factorization.

20021000110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53154890.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20021000110222 its reverse (22201100012002), we get a palindrome (42222100122224).

The spelling of 20021000110222 in words is "twenty trillion, twenty-one billion, one hundred ten thousand, two hundred twenty-two".