12122010221101 has 4 divisors (see below), whose sum is σ = 13224011150304. Its totient is φ = 11020009291900.

The previous prime is 12122010221081. The next prime is 12122010221131. The reversal of 12122010221101 is 10112201022121.

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 a de Polignac number, because none of the positive numbers 2^k-12122010221101 is a prime.

It is a super-2 number, since 2×12122010221101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122010221131) 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, 551000464585 + ... + 551000464606.

It is an arithmetic number, because the mean of its divisors is an integer number (3306002787576).

Almost surely, 2^{12122010221101} is an apocalyptic number.

12122010221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12122010221101 is a deficient number, since it is larger than the sum of its proper divisors (1102000929203).

12122010221101 is a wasteful number, since it uses less digits than its factorization.

12122010221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102000929202.

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

Adding to 12122010221101 its reverse (10112201022121), we get a palindrome (22234211243222).

The spelling of 12122010221101 in words is "twelve trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, one hundred one".