122002202100121 has 16 divisors (see below), whose sum is σ = 139825222917120. Its totient is φ = 104277852296640.

The previous prime is 122002202100071. The next prime is 122002202100131. The reversal of 122002202100121 is 121001202200221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002202100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002202100095 and 122002202100104.

It is not an unprimeable number, because it can be changed into a prime (122002202100131) 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, 4946776 + ... + 16385206.

It is an arithmetic number, because the mean of its divisors is an integer number (8739076432320).

Almost surely, 2^{122002202100121} is an apocalyptic number.

It is an amenable number.

122002202100121 is a deficient number, since it is larger than the sum of its proper divisors (17823020816999).

122002202100121 is a wasteful number, since it uses less digits than its factorization.

122002202100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442744.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122002202100121 its reverse (121001202200221), we get a palindrome (243003404300342).

It can be divided in two parts, 12200220 and 2100121, that added together give a palindrome (14300341).

The spelling of 122002202100121 in words is "one hundred twenty-two trillion, two billion, two hundred two million, one hundred thousand, one hundred twenty-one".