122021110211001 has 16 divisors (see below), whose sum is σ = 173139538898304. Its totient is φ = 76173624283904.

The previous prime is 122021110210963. The next prime is 122021110211029. The reversal of 122021110211001 is 100112011120221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122021110211001 - 2²³ = 122021101822393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122021110211101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6072504645 + ... + 6072524738.

It is an arithmetic number, because the mean of its divisors is an integer number (10821221181144).

Almost surely, 2^{122021110211001} is an apocalyptic number.

It is an amenable number.

122021110211001 is a deficient number, since it is larger than the sum of its proper divisors (51118428687303).

122021110211001 is a wasteful number, since it uses less digits than its factorization.

122021110211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145029600.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122021110211001 its reverse (100112011120221), we get a palindrome (222133121331222).

The spelling of 122021110211001 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, one".