10201020221020 has 24 divisors (see below), whose sum is σ = 22113179319168. Its totient is φ = 3948782020800.

The previous prime is 10201020220991. The next prime is 10201020221053. The reversal of 10201020221020 is 2012202010201.

It is a happy number.

10201020221020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226628591 + ... + 8226629830.

It is an arithmetic number, because the mean of its divisors is an integer number (921382471632).

Almost surely, 2^{10201020221020} is an apocalyptic number.

10201020221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201020221020 is an abundant number, since it is smaller than the sum of its proper divisors (11912159098148).

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

10201020221020 is a wasteful number, since it uses less digits than its factorization.

10201020221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453258461 (or 16453258459 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10201020221020 its reverse (2012202010201), we get a palindrome (12213222231221).

The spelling of 10201020221020 in words is "ten trillion, two hundred one billion, twenty million, two hundred twenty-one thousand, twenty".