1010223211211 has 4 divisors (see below), whose sum is σ = 1010263161552. Its totient is φ = 1010183260872.

The previous prime is 1010223211187. The next prime is 1010223211339. The reversal of 1010223211211 is 1121123220101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010223211211 is a prime.

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 1010223211211.

It is not an unprimeable number, because it can be changed into a prime (1010223211411) 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, 19937216 + ... + 19987821.

It is an arithmetic number, because the mean of its divisors is an integer number (252565790388).

Almost surely, 2^{1010223211211} is an apocalyptic number.

1010223211211 is a deficient number, since it is larger than the sum of its proper divisors (39950341).

1010223211211 is an equidigital number, since it uses as much as digits as its factorization.

1010223211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39950340.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1010223211211 its reverse (1121123220101), we get a palindrome (2131346431312).

The spelling of 1010223211211 in words is "one trillion, ten billion, two hundred twenty-three million, two hundred eleven thousand, two hundred eleven".