20210222122110 has 96 divisors (see below), whose sum is σ = 52906819387968. Its totient is φ = 5352461222400.

The previous prime is 20210222122099. The next prime is 20210222122159. The reversal of 20210222122110 is 1122122201202.

It is a happy number.

20210222122110 is a `hidden beast` number, since 2 + 0 + 210 + 2 + 221 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59259034 + ... + 59599106.

It is an arithmetic number, because the mean of its divisors is an integer number (551112701958).

Almost surely, 2^{20210222122110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210222122110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26453409693984).

20210222122110 is an abundant number, since it is smaller than the sum of its proper divisors (32696597265858).

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

20210222122110 is a wasteful number, since it uses less digits than its factorization.

20210222122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344610 (or 344607 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20210222122110 its reverse (1122122201202), we get a palindrome (21332344323312).

The spelling of 20210222122110 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".