122121000233011 has 4 divisors (see below), whose sum is σ = 131514923327872. Its totient is φ = 112727077138152.

The previous prime is 122121000232991. The next prime is 122121000233033. The reversal of 122121000233011 is 110332000121221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122121000233011 - 2⁷ = 122121000232883 is a prime.

It is a super-2 number, since 2×122121000233011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122121000233011.

It is not an unprimeable number, because it can be changed into a prime (122121000233611) 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, 4696961547411 + ... + 4696961547436.

It is an arithmetic number, because the mean of its divisors is an integer number (32878730831968).

Almost surely, 2^{122121000233011} is an apocalyptic number.

122121000233011 is a deficient number, since it is larger than the sum of its proper divisors (9393923094861).

122121000233011 is an equidigital number, since it uses as much as digits as its factorization.

122121000233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393923094860.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122121000233011 its reverse (110332000121221), we get a palindrome (232453000354232).

The spelling of 122121000233011 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred thirty-three thousand, eleven".