10101121131320 has 256 divisors, whose sum is σ = 25727136537600. Its totient is φ = 3546363617280.

The previous prime is 10101121131317. The next prime is 10101121131323. The reversal of 10101121131320 is 2313112110101.

It is an interprime number because it is at equal distance from previous prime (10101121131317) and next prime (10101121131323).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101121131323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1584983654 + ... + 1584990026.

It is an arithmetic number, because the mean of its divisors is an integer number (100496627100).

Almost surely, 2^{10101121131320} is an apocalyptic number.

10101121131320 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 10101121131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12863568268800).

10101121131320 is an abundant number, since it is smaller than the sum of its proper divisors (15626015406280).

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

10101121131320 is a wasteful number, since it uses less digits than its factorization.

10101121131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8314 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10101121131320 its reverse (2313112110101), we get a palindrome (12414233241421).

The spelling of 10101121131320 in words is "ten trillion, one hundred one billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty".