10101213322020 has 72 divisors (see below), whose sum is σ = 31468464586104. Its totient is φ = 2620855346688.

The previous prime is 10101213322019. The next prime is 10101213322073. The reversal of 10101213322020 is 2022331210101.

10101213322020 is a `hidden beast` number, since 1 + 0 + 10 + 121 + 332 + 202 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5295042801216 + 4806170520804 = 2301096^2 + 2192298^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10101213321984 and 10101213322002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758342689 + ... + 758356008.

Almost surely, 2^{10101213322020} is an apocalyptic number.

10101213322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101213322020 is an abundant number, since it is smaller than the sum of its proper divisors (21367251264084).

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

10101213322020 is a wasteful number, since it uses less digits than its factorization.

10101213322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516698749 (or 1516698744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10101213322020 its reverse (2022331210101), we get a palindrome (12123544532121).

The spelling of 10101213322020 in words is "ten trillion, one hundred one billion, two hundred thirteen million, three hundred twenty-two thousand, twenty".