1021113007 has 16 divisors (see below), whose sum is σ = 1090061280. Its totient is φ = 956502144.

The previous prime is 1021113001. The next prime is 1021113053. The reversal of 1021113007 is 7003111201.

It is not a de Polignac number, because 1021113007 - 2⁷ = 1021112879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021113001) 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, 1507953 + ... + 1508629.

It is an arithmetic number, because the mean of its divisors is an integer number (68128830).

Almost surely, 2^1021113007 is an apocalyptic number.

1021113007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1021113007 is a deficient number, since it is larger than the sum of its proper divisors (68948273).

1021113007 is an frugal number, since it uses more digits than its factorization.

1021113007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1021113007 is about 31954.8588950100. The cubic root of 1021113007 is about 1006.9887131079.

Adding to 1021113007 its reverse (7003111201), we get a palindrome (8024224208).

The spelling of 1021113007 in words is "one billion, twenty-one million, one hundred thirteen thousand, seven".