102021120003 has 16 divisors (see below), whose sum is σ = 148400741376. Its totient is φ = 61828321440.

The previous prime is 102021119971. The next prime is 102021120023. The reversal of 102021120003 is 300021120201.

It is not a de Polignac number, because 102021120003 - 2⁵ = 102021119971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021120023) 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, 938926 + ... + 1041932.

It is an arithmetic number, because the mean of its divisors is an integer number (9275046336).

Almost surely, 2^102021120003 is an apocalyptic number.

102021120003 is a deficient number, since it is larger than the sum of its proper divisors (46379621373).

102021120003 is a wasteful number, since it uses less digits than its factorization.

102021120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133034.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102021120003 its reverse (300021120201), we get a palindrome (402042240204).

The spelling of 102021120003 in words is "one hundred two billion, twenty-one million, one hundred twenty thousand, three".