20213110411 has 4 divisors (see below), whose sum is σ = 21767965072. Its totient is φ = 18658255752.

The previous prime is 20213110409. The next prime is 20213110439. The reversal of 20213110411 is 11401131202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20213110411 - 2¹ = 20213110409 is a prime.

It is a super-3 number, since 3×20213110411³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213110441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777427311 + ... + 777427336.

It is an arithmetic number, because the mean of its divisors is an integer number (5441991268).

Almost surely, 2^20213110411 is an apocalyptic number.

20213110411 is a deficient number, since it is larger than the sum of its proper divisors (1554854661).

20213110411 is a wasteful number, since it uses less digits than its factorization.

20213110411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554854660.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20213110411 its reverse (11401131202), we get a palindrome (31614241613).

The spelling of 20213110411 in words is "twenty billion, two hundred thirteen million, one hundred ten thousand, four hundred eleven".