1210020003211 has 4 divisors (see below), whose sum is σ = 1262629568592. Its totient is φ = 1157410437832.

The previous prime is 1210020003191. The next prime is 1210020003217. The reversal of 1210020003211 is 1123000200121.

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 1210020003211 - 2⁹ = 1210020002699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210020003191 and 1210020003200.

It is not an unprimeable number, because it can be changed into a prime (1210020003217) 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, 26304782656 + ... + 26304782701.

It is an arithmetic number, because the mean of its divisors is an integer number (315657392148).

Almost surely, 2^{1210020003211} is an apocalyptic number.

1210020003211 is a deficient number, since it is larger than the sum of its proper divisors (52609565381).

1210020003211 is an equidigital number, since it uses as much as digits as its factorization.

1210020003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609565380.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1210020003211 its reverse (1123000200121), we get a palindrome (2333020203332).

The spelling of 1210020003211 in words is "one trillion, two hundred ten billion, twenty million, three thousand, two hundred eleven".