1010211121120 has 96 divisors (see below), whose sum is σ = 2478727802880. Its totient is φ = 388650078720.

The previous prime is 1010211121099. The next prime is 1010211121121. The reversal of 1010211121120 is 211211120101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010211121120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010211121121) 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, 183721 + ... + 1433239.

It is an arithmetic number, because the mean of its divisors is an integer number (25820081280).

Almost surely, 2^{1010211121120} is an apocalyptic number.

1010211121120 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 1010211121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239363901440).

1010211121120 is an abundant number, since it is smaller than the sum of its proper divisors (1468516681760).

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

1010211121120 is a wasteful number, since it uses less digits than its factorization.

1010211121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249728 (or 1249720 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010211121120 its reverse (211211120101), we get a palindrome (1221422241221).

The spelling of 1010211121120 in words is "one trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty".