1013211201211 has 12 divisors (see below), whose sum is σ = 1113894894672. Its totient is φ = 920935730000.

The previous prime is 1013211201209. The next prime is 1013211201221. The reversal of 1013211201211 is 1121021123101.

It is a happy number.

It is not a de Polignac number, because 1013211201211 - 2¹ = 1013211201209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013211201221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72340 + ... + 1425361.

It is an arithmetic number, because the mean of its divisors is an integer number (92824574556).

Almost surely, 2^{1013211201211} is an apocalyptic number.

1013211201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013211201211 is a deficient number, since it is larger than the sum of its proper divisors (100683693461).

1013211201211 is a wasteful number, since it uses less digits than its factorization.

1013211201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503314 (or 1503303 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1013211201211 its reverse (1121021123101), we get a palindrome (2134232324312).

The spelling of 1013211201211 in words is "one trillion, thirteen billion, two hundred eleven million, two hundred one thousand, two hundred eleven".