122003211121 has 24 divisors (see below), whose sum is σ = 135038930432. Its totient is φ = 110140430400.

The previous prime is 122003211079. The next prime is 122003211131. The reversal of 122003211121 is 121112300221.

It is not a de Polignac number, because 122003211121 - 2¹³ = 122003202929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122003211095 and 122003211104.

It is not an unprimeable number, because it can be changed into a prime (122003211131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10257640 + ... + 10269526.

Almost surely, 2^122003211121 is an apocalyptic number.

122003211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122003211121 is a deficient number, since it is larger than the sum of its proper divisors (13035719311).

122003211121 is a wasteful number, since it uses less digits than its factorization.

122003211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12493 (or 12482 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122003211121 its reverse (121112300221), we get a palindrome (243115511342).

The spelling of 122003211121 in words is "one hundred twenty-two billion, three million, two hundred eleven thousand, one hundred twenty-one".