122121210020331 has 16 divisors (see below), whose sum is σ = 163022505962400. Its totient is φ = 81317037711360.

The previous prime is 122121210020273. The next prime is 122121210020351. The reversal of 122121210020331 is 133020012121221.

It is not a de Polignac number, because 122121210020331 - 2⁹ = 122121210019819 is a prime.

It is a super-2 number, since 2×122121210020331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122121210020298 and 122121210020307.

It is not an unprimeable number, because it can be changed into a prime (122121210020351) 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, 44793691 + ... + 47441723.

It is an arithmetic number, because the mean of its divisors is an integer number (10188906622650).

Almost surely, 2^{122121210020331} is an apocalyptic number.

122121210020331 is a deficient number, since it is larger than the sum of its proper divisors (40901295942069).

122121210020331 is a wasteful number, since it uses less digits than its factorization.

122121210020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666366.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 122121210020331 its reverse (133020012121221), we get a palindrome (255141222141552).

The spelling of 122121210020331 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, three hundred thirty-one".