1021011101300 has 18 divisors (see below), whose sum is σ = 2215594090038. Its totient is φ = 408404440480.

The previous prime is 1021011101261. The next prime is 1021011101303. The reversal of 1021011101300 is 31011101201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10700661136 + 1010310440164 = 103444^2 + 1005142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011101303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5105055407 + ... + 5105055606.

Almost surely, 2^{1021011101300} is an apocalyptic number.

1021011101300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021011101300 is an abundant number, since it is smaller than the sum of its proper divisors (1194582988738).

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

1021011101300 is a wasteful number, since it uses less digits than its factorization.

1021011101300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210111027 (or 10210111020 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1021011101300 its reverse (31011101201), we get a palindrome (1052022202501).

Subtracting from 1021011101300 its reverse (31011101201), we obtain a palindrome (990000000099).

The spelling of 1021011101300 in words is "one trillion, twenty-one billion, eleven million, one hundred one thousand, three hundred".