121101020201 has 8 divisors (see below), whose sum is σ = 138403656384. Its totient is φ = 103799006640.

The previous prime is 121101020147. The next prime is 121101020219. The reversal of 121101020201 is 102020101121.

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

It is not a de Polignac number, because 121101020201 - 2³⁴ = 103921151017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121101020401) 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, 387506 + ... + 626388.

It is an arithmetic number, because the mean of its divisors is an integer number (17300457048).

Almost surely, 2^121101020201 is an apocalyptic number.

It is an amenable number.

121101020201 is a deficient number, since it is larger than the sum of its proper divisors (17302636183).

121101020201 is an equidigital number, since it uses as much as digits as its factorization.

121101020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311311.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121101020201 its reverse (102020101121), we get a palindrome (223121121322).

The spelling of 121101020201 in words is "one hundred twenty-one billion, one hundred one million, twenty thousand, two hundred one".