10012102221020 has 48 divisors (see below), whose sum is σ = 21128963620800. Its totient is φ = 3985164417024.

The previous prime is 10012102220977. The next prime is 10012102221029. The reversal of 10012102221020 is 2012220121001.

It is a junction number, because it is equal to n+sod(n) for n = 10012102220986 and 10012102221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012102221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1926572 + ... + 4871948.

It is an arithmetic number, because the mean of its divisors is an integer number (440186742100).

Almost surely, 2^{10012102221020} is an apocalyptic number.

10012102221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012102221020 is an abundant number, since it is smaller than the sum of its proper divisors (11116861399780).

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

10012102221020 is a wasteful number, since it uses less digits than its factorization.

10012102221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946222 (or 2946220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012102221020 its reverse (2012220121001), we get a palindrome (12024322342021).

The spelling of 10012102221020 in words is "ten trillion, twelve billion, one hundred two million, two hundred twenty-one thousand, twenty".