102021023113 has 8 divisors (see below), whose sum is σ = 105063861632. Its totient is φ = 98993211696.

The previous prime is 102021023087. The next prime is 102021023123. The reversal of 102021023113 is 311320120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102021023113 - 2⁵ = 102021023081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021023123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3742995 + ... + 3770152.

It is an arithmetic number, because the mean of its divisors is an integer number (13132982704).

Almost surely, 2^102021023113 is an apocalyptic number.

It is an amenable number.

102021023113 is a deficient number, since it is larger than the sum of its proper divisors (3042838519).

102021023113 is an equidigital number, since it uses as much as digits as its factorization.

102021023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513551.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102021023113 its reverse (311320120201), we get a palindrome (413341143314).

The spelling of 102021023113 in words is "one hundred two billion, twenty-one million, twenty-three thousand, one hundred thirteen".