122123212332011 has 4 divisors (see below), whose sum is σ = 133225322544024. Its totient is φ = 111021102120000.

The previous prime is 122123212332001. The next prime is 122123212332049. The reversal of 122123212332011 is 110233212321221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122123212332011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122123212332001) 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, 5551055105990 + ... + 5551055106011.

It is an arithmetic number, because the mean of its divisors is an integer number (33306330636006).

Almost surely, 2^{122123212332011} is an apocalyptic number.

122123212332011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122123212332011 is a deficient number, since it is larger than the sum of its proper divisors (11102110212013).

122123212332011 is a wasteful number, since it uses less digits than its factorization.

122123212332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102110212012.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 122123212332011 its reverse (110233212321221), we get a palindrome (232356424653232).

The spelling of 122123212332011 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, two hundred twelve million, three hundred thirty-two thousand, eleven".