20122212011101 has 4 divisors (see below), whose sum is σ = 20124965845152. Its totient is φ = 20119458177052.

The previous prime is 20122212011063. The next prime is 20122212011113. The reversal of 20122212011101 is 10111021222102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20122212011101 - 2¹⁵ = 20122211978333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122212011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376906065 + ... + 1376920678.

It is an arithmetic number, because the mean of its divisors is an integer number (5031241461288).

Almost surely, 2^{20122212011101} is an apocalyptic number.

It is an amenable number.

20122212011101 is a deficient number, since it is larger than the sum of its proper divisors (2753834051).

20122212011101 is an equidigital number, since it uses as much as digits as its factorization.

20122212011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753834050.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20122212011101 its reverse (10111021222102), we get a palindrome (30233233233203).

The spelling of 20122212011101 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, one hundred one".