22010001101220 has 48 divisors (see below), whose sum is σ = 67230548820288. Its totient is φ = 5335757842560.

The previous prime is 22010001101203. The next prime is 22010001101233. The reversal of 22010001101220 is 2210110001022.

It is a super-2 number, since 2×22010001101220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22010001101196 and 22010001101205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16674242599 + ... + 16674243918.

It is an arithmetic number, because the mean of its divisors is an integer number (1400636433756).

Almost surely, 2^{22010001101220} is an apocalyptic number.

22010001101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010001101220 is an abundant number, since it is smaller than the sum of its proper divisors (45220547719068).

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

22010001101220 is a wasteful number, since it uses less digits than its factorization.

22010001101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33348486540 (or 33348486538 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22010001101220 its reverse (2210110001022), we get a palindrome (24220111102242).

The spelling of 22010001101220 in words is "twenty-two trillion, ten billion, one million, one hundred one thousand, two hundred twenty".