10212011222020 has 12 divisors (see below), whose sum is σ = 21445223566284. Its totient is φ = 4084804488800.

The previous prime is 10212011221963. The next prime is 10212011222027. The reversal of 10212011222020 is 2022211021201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3607203741696 + 6604807480324 = 1899264^2 + 2569982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10212011221985 and 10212011222003.

It is not an unprimeable number, because it can be changed into a prime (10212011222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255300280531 + ... + 255300280570.

It is an arithmetic number, because the mean of its divisors is an integer number (1787101963857).

Almost surely, 2^{10212011222020} is an apocalyptic number.

10212011222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212011222020 is an abundant number, since it is smaller than the sum of its proper divisors (11233212344264).

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

10212011222020 is a wasteful number, since it uses less digits than its factorization.

10212011222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510600561110 (or 510600561108 counting only the distinct ones).

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

Adding to 10212011222020 its reverse (2022211021201), we get a palindrome (12234222243221).

The spelling of 10212011222020 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred twenty-two thousand, twenty".