10120101011020 has 384 divisors, whose sum is σ = 30018798028800. Its totient is φ = 2763616665600.

The previous prime is 10120101010967. The next prime is 10120101011063. The reversal of 10120101011020 is 2011010102101.

It is a super-2 number, since 2×10120101011020² (a number of 27 digits) contains 22 as substring.

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 = 10120101010988 and 10120101011006.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34106500 + ... + 34401940.

It is an arithmetic number, because the mean of its divisors is an integer number (78173953200).

Almost surely, 2^{10120101011020} is an apocalyptic number.

10120101011020 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 10120101011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15009399014400).

10120101011020 is an abundant number, since it is smaller than the sum of its proper divisors (19898697017780).

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

10120101011020 is a wasteful number, since it uses less digits than its factorization.

10120101011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295569 (or 295567 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10120101011020 its reverse (2011010102101), we get a palindrome (12131111113121).

The spelling of 10120101011020 in words is "ten trillion, one hundred twenty billion, one hundred one million, eleven thousand, twenty".