20101110210222 has 16 divisors (see below), whose sum is σ = 40249130839632. Its totient is φ = 6692551666880.

The previous prime is 20101110210059. The next prime is 20101110210227. The reversal of 20101110210222 is 22201201110102.

It is a super-2 number, since 2×20101110210222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101110210227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954595229 + ... + 1954605512.

It is an arithmetic number, because the mean of its divisors is an integer number (2515570677477).

Almost surely, 2^{20101110210222} is an apocalyptic number.

20101110210222 is an abundant number, since it is smaller than the sum of its proper divisors (20148020629410).

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

20101110210222 is a wasteful number, since it uses less digits than its factorization.

20101110210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909201603.

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

Adding to 20101110210222 its reverse (22201201110102), we get a palindrome (42302311320324).

The spelling of 20101110210222 in words is "twenty trillion, one hundred one billion, one hundred ten million, two hundred ten thousand, two hundred twenty-two".