11020213033231 has 8 divisors (see below), whose sum is σ = 11613207710304. Its totient is φ = 10436706271200.

The previous prime is 11020213033223. The next prime is 11020213033273. The reversal of 11020213033231 is 13233031202011.

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 11020213033231 - 2³ = 11020213033223 is a prime.

It is a super-2 number, since 2×11020213033231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020213033201) 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, 2371976376 + ... + 2371981021.

It is an arithmetic number, because the mean of its divisors is an integer number (1451650963788).

Almost surely, 2^{11020213033231} is an apocalyptic number.

11020213033231 is a deficient number, since it is larger than the sum of its proper divisors (592994677073).

11020213033231 is a wasteful number, since it uses less digits than its factorization.

11020213033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743957521.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11020213033231 its reverse (13233031202011), we get a palindrome (24253244235242).

The spelling of 11020213033231 in words is "eleven trillion, twenty billion, two hundred thirteen million, thirty-three thousand, two hundred thirty-one".