121121100010201 has 8 divisors (see below), whose sum is σ = 127708742664000. Its totient is φ = 114554742148080.

The previous prime is 121121100010199. The next prime is 121121100010217. The reversal of 121121100010201 is 102010001121121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121121100010201 - 2¹ = 121121100010199 is a prime.

It is a super-2 number, since 2×121121100010201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121100010301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5321186230 + ... + 5321208991.

It is an arithmetic number, because the mean of its divisors is an integer number (15963592833000).

Almost surely, 2^{121121100010201} is an apocalyptic number.

It is an amenable number.

121121100010201 is a deficient number, since it is larger than the sum of its proper divisors (6587642653799).

121121100010201 is a wasteful number, since it uses less digits than its factorization.

121121100010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642395839.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121121100010201 its reverse (102010001121121), we get a palindrome (223131101131322).

The spelling of 121121100010201 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred million, ten thousand, two hundred one".