38230021011 has 32 divisors (see below), whose sum is σ = 66038371840. Its totient is φ = 19103952384.

The previous prime is 38230021009. The next prime is 38230021013. The reversal of 38230021011 is 11012003283.

It is an interprime number because it is at equal distance from previous prime (38230021009) and next prime (38230021013).

It is not a de Polignac number, because 38230021011 - 2¹ = 38230021009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (38230021013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3679990 + ... + 3690363.

It is an arithmetic number, because the mean of its divisors is an integer number (2063699120).

Almost surely, 2^38230021011 is an apocalyptic number.

38230021011 is a deficient number, since it is larger than the sum of its proper divisors (27808350829).

38230021011 is a wasteful number, since it uses less digits than its factorization.

38230021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370395.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 38230021011 its reverse (11012003283), we get a palindrome (49242024294).

The spelling of 38230021011 in words is "thirty-eight billion, two hundred thirty million, twenty-one thousand, eleven".