121002330200121 has 12 divisors (see below), whose sum is σ = 176327879408148. Its totient is φ = 79954342078464.

The previous prime is 121002330200113. The next prime is 121002330200179. The reversal of 121002330200121 is 121002033200121.

121002330200121 is a `hidden beast` number, since 1 + 2 + 10 + 0 + 2 + 330 + 200 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61499928311721 + 59502401888400 = 7842189^2 + 7713780^2 .

It is not a de Polignac number, because 121002330200121 - 2³ = 121002330200113 is a prime.

It is a super-2 number, since 2×121002330200121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002330200094 and 121002330200103.

It is not an unprimeable number, because it can be changed into a prime (121002330200221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59489836840 + ... + 59489838873.

It is an arithmetic number, because the mean of its divisors is an integer number (14693989950679).

Almost surely, 2^{121002330200121} is an apocalyptic number.

It is an amenable number.

121002330200121 is a deficient number, since it is larger than the sum of its proper divisors (55325549208027).

121002330200121 is a wasteful number, since it uses less digits than its factorization.

121002330200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118979675832 (or 118979675829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121002330200121 its reverse (121002033200121), we get a palindrome (242004363400242).

The spelling of 121002330200121 in words is "one hundred twenty-one trillion, two billion, three hundred thirty million, two hundred thousand, one hundred twenty-one".