20122110220011 has 4 divisors (see below), whose sum is σ = 26829480293352. Its totient is φ = 13414740146672.

The previous prime is 20122110219997. The next prime is 20122110220013. The reversal of 20122110220011 is 11002201122102.

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 20122110220011 - 2¹⁴ = 20122110203627 is a prime.

It is a super-2 number, since 2×20122110220011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122110220013) 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, 3353685036666 + ... + 3353685036671.

It is an arithmetic number, because the mean of its divisors is an integer number (6707370073338).

Almost surely, 2^{20122110220011} is an apocalyptic number.

20122110220011 is a deficient number, since it is larger than the sum of its proper divisors (6707370073341).

20122110220011 is an equidigital number, since it uses as much as digits as its factorization.

20122110220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707370073340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122110220011 its reverse (11002201122102), we get a palindrome (31124311342113).

The spelling of 20122110220011 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty thousand, eleven".