1101021220211 has 16 divisors (see below), whose sum is σ = 1224487964160. Its totient is φ = 981472084320.

The previous prime is 1101021220199. The next prime is 1101021220219. The reversal of 1101021220211 is 1120221201011.

It is a cyclic number.

It is not a de Polignac number, because 1101021220211 - 2⁶ = 1101021220147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101021220219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456470 + ... + 1552548.

It is an arithmetic number, because the mean of its divisors is an integer number (76530497760).

Almost surely, 2^{1101021220211} is an apocalyptic number.

1101021220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101021220211 is a deficient number, since it is larger than the sum of its proper divisors (123466743949).

1101021220211 is a wasteful number, since it uses less digits than its factorization.

1101021220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097866.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101021220211 its reverse (1120221201011), we get a palindrome (2221242421222).

The spelling of 1101021220211 in words is "one trillion, one hundred one billion, twenty-one million, two hundred twenty thousand, two hundred eleven".