20122110211011 has 8 divisors (see below), whose sum is σ = 26831450339520. Its totient is φ = 13413755111592.

The previous prime is 20122110210971. The next prime is 20122110211031. The reversal of 20122110211011 is 11011201122102.

It is a happy number.

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

It is not a de Polignac number, because 20122110211011 - 2⁷ = 20122110210883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122110211031) 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, 246209605 + ... + 246291318.

It is an arithmetic number, because the mean of its divisors is an integer number (3353931292440).

Almost surely, 2^{20122110211011} is an apocalyptic number.

20122110211011 is a deficient number, since it is larger than the sum of its proper divisors (6709340128509).

20122110211011 is a wasteful number, since it uses less digits than its factorization.

20122110211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492514545.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20122110211011 its reverse (11011201122102), we get a palindrome (31133311333113).

The spelling of 20122110211011 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, two hundred eleven thousand, eleven".