22011001101020 has 24 divisors (see below), whose sum is σ = 46249114262064. Its totient is φ = 8799445783296.

The previous prime is 22011001100947. The next prime is 22011001101029. The reversal of 22011001101020 is 2010110011022.

It is a junction number, because it is equal to n+sod(n) for n = 22011001100992 and 22011001101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011001101029) by changing a digit.

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, 309629642 + ... + 309700721.

It is an arithmetic number, because the mean of its divisors is an integer number (1927046427586).

Almost surely, 2^{22011001101020} is an apocalyptic number.

22011001101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011001101020 is an abundant number, since it is smaller than the sum of its proper divisors (24238113161044).

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

22011001101020 is a wasteful number, since it uses less digits than its factorization.

22011001101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619332149 (or 619332147 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011001101020 its reverse (2010110011022), we get a palindrome (24021111112042).

The spelling of 22011001101020 in words is "twenty-two trillion, eleven billion, one million, one hundred one thousand, twenty".