11211011120213 has 8 divisors (see below), whose sum is σ = 11356954780248. Its totient is φ = 11065687179264.

The previous prime is 11211011120173. The next prime is 11211011120219. The reversal of 11211011120213 is 31202111011211.

It can be written as a sum of positive squares in 4 ways, for example, as 263925705169 + 10947085415044 = 513737^2 + 3308638^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11211011120213 - 2⁶ = 11211011120149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211011120191 and 11211011120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211011120219) 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, 154893356 + ... + 154965717.

It is an arithmetic number, because the mean of its divisors is an integer number (1419619347531).

Almost surely, 2^{11211011120213} is an apocalyptic number.

It is an amenable number.

11211011120213 is a deficient number, since it is larger than the sum of its proper divisors (145943660035).

11211011120213 is an equidigital number, since it uses as much as digits as its factorization.

11211011120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309859543.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11211011120213 its reverse (31202111011211), we get a palindrome (42413122131424).

The spelling of 11211011120213 in words is "eleven trillion, two hundred eleven billion, eleven million, one hundred twenty thousand, two hundred thirteen".