1021100005701 has 12 divisors (see below), whose sum is σ = 1475868320160. Its totient is φ = 680296680360.

The previous prime is 1021100005699. The next prime is 1021100005711. The reversal of 1021100005701 is 1075000011201.

It is a happy number.

It is not a de Polignac number, because 1021100005701 - 2¹ = 1021100005699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021100005711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36373255 + ... + 36401316.

It is an arithmetic number, because the mean of its divisors is an integer number (122989026680).

Almost surely, 2^{1021100005701} is an apocalyptic number.

It is an amenable number.

1021100005701 is a deficient number, since it is larger than the sum of its proper divisors (454768314459).

1021100005701 is a wasteful number, since it uses less digits than its factorization.

1021100005701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72776136 (or 72776133 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

Adding to 1021100005701 its reverse (1075000011201), we get a palindrome (2096100016902).

The spelling of 1021100005701 in words is "one trillion, twenty-one billion, one hundred million, five thousand, seven hundred one".