152021215103 has 4 divisors (see below), whose sum is σ = 152022948048. Its totient is φ = 152019482160.

The previous prime is 152021215097. The next prime is 152021215117. The reversal of 152021215103 is 301512120251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152021215103 - 2⁸ = 152021214847 is a prime.

It is a super-2 number, since 2×152021215103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152021211103) 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 3 ways as a sum of consecutive naturals, for example, 727451 + ... + 912812.

It is an arithmetic number, because the mean of its divisors is an integer number (38005737012).

Almost surely, 2^152021215103 is an apocalyptic number.

152021215103 is a deficient number, since it is larger than the sum of its proper divisors (1732945).

152021215103 is an equidigital number, since it uses as much as digits as its factorization.

152021215103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732944.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 152021215103 its reverse (301512120251), we get a palindrome (453533335354).

The spelling of 152021215103 in words is "one hundred fifty-two billion, twenty-one million, two hundred fifteen thousand, one hundred three".