10211101222120 has 32 divisors (see below), whose sum is σ = 23535343064520. Its totient is φ = 3984819988480.

The previous prime is 10211101222087. The next prime is 10211101222129. The reversal of 10211101222120 is 2122210111201.

It can be written as a sum of positive squares in 4 ways, for example, as 3487877467396 + 6723223754724 = 1867586^2 + 2592918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211101222094 and 10211101222103.

It is not an unprimeable number, because it can be changed into a prime (10211101222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113138977 + ... + 3113142256.

Almost surely, 2^{10211101222120} is an apocalyptic number.

10211101222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211101222120 is an abundant number, since it is smaller than the sum of its proper divisors (13324241842400).

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

10211101222120 is a wasteful number, since it uses less digits than its factorization.

10211101222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226281285 (or 6226281281 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211101222120 its reverse (2122210111201), we get a palindrome (12333311333321).

The spelling of 10211101222120 in words is "ten trillion, two hundred eleven billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty".