22210121011020 has 24 divisors (see below), whose sum is σ = 62188338831024. Its totient is φ = 5922698936256.

The previous prime is 22210121011007. The next prime is 22210121011073. The reversal of 22210121011020 is 2011012101222.

It is a super-2 number, since 2×22210121011020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185084341699 + ... + 185084341818.

It is an arithmetic number, because the mean of its divisors is an integer number (2591180784626).

Almost surely, 2^{22210121011020} is an apocalyptic number.

22210121011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210121011020 is an abundant number, since it is smaller than the sum of its proper divisors (39978217820004).

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

22210121011020 is a wasteful number, since it uses less digits than its factorization.

22210121011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370168683529 (or 370168683527 counting only the distinct ones).

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

Adding to 22210121011020 its reverse (2011012101222), we get a palindrome (24221133112242).

The spelling of 22210121011020 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, eleven thousand, twenty".