10101202001020 has 192 divisors, whose sum is σ = 25117327872000. Its totient is φ = 3378408735744.

The previous prime is 10101202000993. The next prime is 10101202001069. The reversal of 10101202001020 is 2010020210101.

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 = 10101202000988 and 10101202001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14413501 + ... + 15098059.

It is an arithmetic number, because the mean of its divisors is an integer number (130819416000).

Almost surely, 2^{10101202001020} is an apocalyptic number.

10101202001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101202001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12558663936000).

10101202001020 is an abundant number, since it is smaller than the sum of its proper divisors (15016125870980).

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

10101202001020 is a wasteful number, since it uses less digits than its factorization.

10101202001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684732 (or 684730 counting only the distinct ones).

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

Adding to 10101202001020 its reverse (2010020210101), we get a palindrome (12111222211121).

The spelling of 10101202001020 in words is "ten trillion, one hundred one billion, two hundred two million, one thousand, twenty".