20122011211101 has 16 divisors (see below), whose sum is σ = 27080451987264. Its totient is φ = 13289125641344.

The previous prime is 20122011211091. The next prime is 20122011211139. The reversal of 20122011211101 is 10111211022102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20122011211101 - 2¹⁴ = 20122011194717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011211301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26264401 + ... + 27019673.

It is an arithmetic number, because the mean of its divisors is an integer number (1692528249204).

Almost surely, 2^{20122011211101} is an apocalyptic number.

It is an amenable number.

20122011211101 is a deficient number, since it is larger than the sum of its proper divisors (6958440776163).

20122011211101 is a wasteful number, since it uses less digits than its factorization.

20122011211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838380.

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

Adding to 20122011211101 its reverse (10111211022102), we get a palindrome (30233222233203).

The spelling of 20122011211101 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, one hundred one".