22110210221020 has 48 divisors (see below), whose sum is σ = 47219141652480. Its totient is φ = 8694050571584.

The previous prime is 22110210220951. The next prime is 22110210221027. The reversal of 22110210221020 is 2012201201122.

It is a happy number.

It is a super-2 number, since 2×22110210221020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22110210220985 and 22110210221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110210221027) 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, 116639157 + ... + 116828563.

It is an arithmetic number, because the mean of its divisors is an integer number (983732117760).

Almost surely, 2^{22110210221020} is an apocalyptic number.

22110210221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110210221020 is an abundant number, since it is smaller than the sum of its proper divisors (25108931431460).

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

22110210221020 is a wasteful number, since it uses less digits than its factorization.

22110210221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288402 (or 288400 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22110210221020 its reverse (2012201201122), we get a palindrome (24122411422142).

The spelling of 22110210221020 in words is "twenty-two trillion, one hundred ten billion, two hundred ten million, two hundred twenty-one thousand, twenty".