11011110021201 has 32 divisors (see below), whose sum is σ = 15576213818880. Its totient is φ = 6899501980800.

The previous prime is 11011110021181. The next prime is 11011110021251. The reversal of 11011110021201 is 10212001111011.

It is not a de Polignac number, because 11011110021201 - 2²⁷ = 11010975803473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011110021251) 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, 28789446 + ... + 29169408.

It is an arithmetic number, because the mean of its divisors is an integer number (486756681840).

Almost surely, 2^{11011110021201} is an apocalyptic number.

It is an amenable number.

11011110021201 is a deficient number, since it is larger than the sum of its proper divisors (4565103797679).

11011110021201 is a wasteful number, since it uses less digits than its factorization.

11011110021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383997.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011110021201 its reverse (10212001111011), we get a palindrome (21223111132212).

The spelling of 11011110021201 in words is "eleven trillion, eleven billion, one hundred ten million, twenty-one thousand, two hundred one".