1021113122700 has 288 divisors, whose sum is σ = 3257166528000. Its totient is φ = 244925337600.

The previous prime is 1021113122677. The next prime is 1021113122707. The reversal of 1021113122700 is 72213111201.

It is not an unprimeable number, because it can be changed into a prime (1021113122707) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 330562756 + ... + 330565844.

It is an arithmetic number, because the mean of its divisors is an integer number (11309606000).

Almost surely, 2^{1021113122700} is an apocalyptic number.

1021113122700 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 1021113122700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628583264000).

1021113122700 is an abundant number, since it is smaller than the sum of its proper divisors (2236053405300).

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

1021113122700 is a wasteful number, since it uses less digits than its factorization.

1021113122700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

Adding to 1021113122700 its reverse (72213111201), we get a palindrome (1093326233901).

The spelling of 1021113122700 in words is "one trillion, twenty-one billion, one hundred thirteen million, one hundred twenty-two thousand, seven hundred".