10200101021020 has 24 divisors (see below), whose sum is σ = 21420273302064. Its totient is φ = 4080028759296.

The previous prime is 10200101020999. The next prime is 10200101021051. The reversal of 10200101021020 is 2012010100201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10200101020988 and 10200101021006.

It is a congruent number.

It is an unprimeable number.

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, 11292372 + ... + 12162148.

It is an arithmetic number, because the mean of its divisors is an integer number (892511387586).

Almost surely, 2^{10200101021020} is an apocalyptic number.

10200101021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200101021020 is an abundant number, since it is smaller than the sum of its proper divisors (11220172281044).

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

10200101021020 is a wasteful number, since it uses less digits than its factorization.

10200101021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456149 (or 1456147 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10200101021020 its reverse (2012010100201), we get a palindrome (12212111121221).

The spelling of 10200101021020 in words is "ten trillion, two hundred billion, one hundred one million, twenty-one thousand, twenty".