102020211213203 has 4 divisors (see below), whose sum is σ = 102178874061768. Its totient is φ = 101861548364640.

The previous prime is 102020211213191. The next prime is 102020211213209. The reversal of 102020211213203 is 302312112020201.

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 102020211213203 - 2⁴ = 102020211213187 is a prime.

It is a super-2 number, since 2×102020211213203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020211213209) 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, 79331423318 + ... + 79331424603.

It is an arithmetic number, because the mean of its divisors is an integer number (25544718515442).

Almost surely, 2^{102020211213203} is an apocalyptic number.

102020211213203 is a deficient number, since it is larger than the sum of its proper divisors (158662848565).

102020211213203 is an equidigital number, since it uses as much as digits as its factorization.

102020211213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158662848564.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102020211213203 its reverse (302312112020201), we get a palindrome (404332323233404).

The spelling of 102020211213203 in words is "one hundred two trillion, twenty billion, two hundred eleven million, two hundred thirteen thousand, two hundred three".