121201022201 has 12 divisors (see below), whose sum is σ = 140995697040. Its totient is φ = 103881614760.

The previous prime is 121201022161. The next prime is 121201022209. The reversal of 121201022201 is 102220102121.

It is not a de Polignac number, because 121201022201 - 2¹⁴ = 121201005817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201022209) 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, 1280186 + ... + 1371596.

It is an arithmetic number, because the mean of its divisors is an integer number (11749641420).

Almost surely, 2^121201022201 is an apocalyptic number.

It is an amenable number.

121201022201 is a deficient number, since it is larger than the sum of its proper divisors (19794674839).

121201022201 is an equidigital number, since it uses as much as digits as its factorization.

121201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118484 (or 118477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121201022201 its reverse (102220102121), we get a palindrome (223421124322).

The spelling of 121201022201 in words is "one hundred twenty-one billion, two hundred one million, twenty-two thousand, two hundred one".