211202120003 has 32 divisors (see below), whose sum is σ = 257464320000. Its totient is φ = 172972406880.

The previous prime is 211202119993. The next prime is 211202120009. The reversal of 211202120003 is 300021202112.

It is a happy number.

It is not a de Polignac number, because 211202120003 - 2⁸ = 211202119747 is a prime.

It is a super-2 number, since 2×211202120003² (a number of 23 digits) contains 22 as substring.

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 211202120003.

It is not an unprimeable number, because it can be changed into a prime (211202120009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714293 + ... + 965721.

It is an arithmetic number, because the mean of its divisors is an integer number (8045760000).

Almost surely, 2^211202120003 is an apocalyptic number.

211202120003 is a deficient number, since it is larger than the sum of its proper divisors (46262199997).

211202120003 is an equidigital number, since it uses as much as digits as its factorization.

211202120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251560 (or 251546 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211202120003 its reverse (300021202112), we get a palindrome (511223322115).

The spelling of 211202120003 in words is "two hundred eleven billion, two hundred two million, one hundred twenty thousand, three".