1000011201211 has 4 divisors (see below), whose sum is σ = 1090921310424. Its totient is φ = 909101092000.

The previous prime is 1000011201209. The next prime is 1000011201251. The reversal of 1000011201211 is 1121021100001.

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 1000011201211 - 2¹ = 1000011201209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000011201251) 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, 45455054590 + ... + 45455054611.

It is an arithmetic number, because the mean of its divisors is an integer number (272730327606).

Almost surely, 2^{1000011201211} is an apocalyptic number.

1000011201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000011201211 is a deficient number, since it is larger than the sum of its proper divisors (90910109213).

1000011201211 is an equidigital number, since it uses as much as digits as its factorization.

1000011201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90910109212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000011201211 its reverse (1121021100001), we get a palindrome (2121032301212).

It can be divided in two parts, 10000 and 11201211, that added together give a palindrome (11211211).

The spelling of 1000011201211 in words is "one trillion, eleven million, two hundred one thousand, two hundred eleven".