122011010004021 has 8 divisors (see below), whose sum is σ = 166649184395904. Its totient is φ = 79356754474080.

The previous prime is 122011010004011. The next prime is 122011010004041. The reversal of 122011010004021 is 120400010110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122011010004021 - 2²¹ = 122011007906869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011010004011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495979715341 + ... + 495979715586.

It is an arithmetic number, because the mean of its divisors is an integer number (20831148049488).

Almost surely, 2^{122011010004021} is an apocalyptic number.

It is an amenable number.

122011010004021 is a deficient number, since it is larger than the sum of its proper divisors (44638174391883).

122011010004021 is an equidigital number, since it uses as much as digits as its factorization.

122011010004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991959430971.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122011010004021 its reverse (120400010110221), we get a palindrome (242411020114242).

The spelling of 122011010004021 in words is "one hundred twenty-two trillion, eleven billion, ten million, four thousand, twenty-one".