1102020311211 has 8 divisors (see below), whose sum is σ = 1469365312464. Its totient is φ = 734677758720.

The previous prime is 1102020311191. The next prime is 1102020311237. The reversal of 1102020311211 is 1121130202011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102020311211 - 2³¹ = 1099872827563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102020311251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228675 + ... + 1927091.

It is an arithmetic number, because the mean of its divisors is an integer number (183670664058).

Almost surely, 2^{1102020311211} is an apocalyptic number.

1102020311211 is a deficient number, since it is larger than the sum of its proper divisors (367345001253).

1102020311211 is an equidigital number, since it uses as much as digits as its factorization.

1102020311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224381.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1102020311211 its reverse (1121130202011), we get a palindrome (2223150513222).

The spelling of 1102020311211 in words is "one trillion, one hundred two billion, twenty million, three hundred eleven thousand, two hundred eleven".