1011211230211 has 8 divisors (see below), whose sum is σ = 1244567668064. Its totient is φ = 800079215040.

The previous prime is 1011211230143. The next prime is 1011211230223. The reversal of 1011211230211 is 1120321121101.

It is a happy number.

1011211230211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011211230211 - 2²⁷ = 1011077012483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011211230811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5556105570 + ... + 5556105751.

It is an arithmetic number, because the mean of its divisors is an integer number (155570958508).

Almost surely, 2^{1011211230211} is an apocalyptic number.

1011211230211 is a deficient number, since it is larger than the sum of its proper divisors (233356437853).

1011211230211 is a wasteful number, since it uses less digits than its factorization.

1011211230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112211341.

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

Adding to 1011211230211 its reverse (1120321121101), we get a palindrome (2131532351312).

The spelling of 1011211230211 in words is "one trillion, eleven billion, two hundred eleven million, two hundred thirty thousand, two hundred eleven".