11220021012201 has 12 divisors (see below), whose sum is σ = 15098535183312. Its totient is φ = 7411390002864.

The previous prime is 11220021012163. The next prime is 11220021012229. The reversal of 11220021012201 is 10221012002211.

It is not a de Polignac number, because 11220021012201 - 2¹⁹ = 11220020487913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220021012271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157358811 + ... + 157430096.

It is an arithmetic number, because the mean of its divisors is an integer number (1258211265276).

Almost surely, 2^{11220021012201} is an apocalyptic number.

It is an amenable number.

11220021012201 is a deficient number, since it is larger than the sum of its proper divisors (3878514171111).

11220021012201 is an equidigital number, since it uses as much as digits as its factorization.

11220021012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314789128 (or 314789019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220021012201 its reverse (10221012002211), we get a palindrome (21441033014412).

The spelling of 11220021012201 in words is "eleven trillion, two hundred twenty billion, twenty-one million, twelve thousand, two hundred one".