11011212201 has 32 divisors (see below), whose sum is σ = 16125677568. Its totient is φ = 6628055040.

The previous prime is 11011212193. The next prime is 11011212221. The reversal of 11011212201 is 10221211011.

It is not a de Polignac number, because 11011212201 - 2³ = 11011212193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011212221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3183465 + ... + 3186921.

It is an arithmetic number, because the mean of its divisors is an integer number (503927424).

Almost surely, 2^11011212201 is an apocalyptic number.

11011212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11011212201 is a deficient number, since it is larger than the sum of its proper divisors (5114465367).

11011212201 is a wasteful number, since it uses less digits than its factorization.

11011212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011212201 its reverse (10221211011), we get a palindrome (21232423212).

It can be divided in two parts, 1101 and 1212201, that multiplied together give a cube (1334633301 = 1101³).

The spelling of 11011212201 in words is "eleven billion, eleven million, two hundred twelve thousand, two hundred one".