20122101132111 has 80 divisors (see below), whose sum is σ = 32987808741888. Its totient is φ = 12122261064000.

The previous prime is 20122101132097. The next prime is 20122101132139. The reversal of 20122101132111 is 11123110122102.

It is a happy number.

20122101132111 is a `hidden beast` number, since 201 + 221 + 0 + 1 + 132 + 111 = 666.

It is not a de Polignac number, because 20122101132111 - 2¹⁷ = 20122101001039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122101132911) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1009780830 + ... + 1009800756.

Almost surely, 2^{20122101132111} is an apocalyptic number.

20122101132111 is a deficient number, since it is larger than the sum of its proper divisors (12865707609777).

20122101132111 is a wasteful number, since it uses less digits than its factorization.

20122101132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26674 (or 26665 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 20122101132111 its reverse (11123110122102), we get a palindrome (31245211254213).

The spelling of 20122101132111 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, one hundred thirty-two thousand, one hundred eleven".