11211220120201 has 32 divisors (see below), whose sum is σ = 11589777948672. Its totient is φ = 10838733776640.

The previous prime is 11211220120183. The next prime is 11211220120237. The reversal of 11211220120201 is 10202102211211.

It is a cyclic number.

It is not a de Polignac number, because 11211220120201 - 2⁷ = 11211220120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211220120291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1578374616 + ... + 1578381718.

It is an arithmetic number, because the mean of its divisors is an integer number (362180560896).

Almost surely, 2^{11211220120201} is an apocalyptic number.

It is an amenable number.

11211220120201 is a deficient number, since it is larger than the sum of its proper divisors (378557828471).

11211220120201 is a wasteful number, since it uses less digits than its factorization.

11211220120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211220120201 its reverse (10202102211211), we get a palindrome (21413322331412).

The spelling of 11211220120201 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty thousand, two hundred one".