102034123021 has 4 divisors (see below), whose sum is σ = 102768181600. Its totient is φ = 101300064444.

The previous prime is 102034122979. The next prime is 102034123031. The reversal of 102034123021 is 120321430201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102034123021 - 2¹¹ = 102034120973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102034123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102034123031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367029081 + ... + 367029358.

It is an arithmetic number, because the mean of its divisors is an integer number (25692045400).

Almost surely, 2^102034123021 is an apocalyptic number.

It is an amenable number.

102034123021 is a deficient number, since it is larger than the sum of its proper divisors (734058579).

102034123021 is an equidigital number, since it uses as much as digits as its factorization.

102034123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734058578.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102034123021 its reverse (120321430201), we get a palindrome (222355553222).

The spelling of 102034123021 in words is "one hundred two billion, thirty-four million, one hundred twenty-three thousand, twenty-one".