121241010219 has 64 divisors (see below), whose sum is σ = 198660480000. Its totient is φ = 65561529600.

The previous prime is 121241010203. The next prime is 121241010221. The reversal of 121241010219 is 912010142121.

It is not a de Polignac number, because 121241010219 - 2⁴ = 121241010203 is a prime.

It is a super-2 number, since 2×121241010219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121241010269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20897119 + ... + 20902919.

It is an arithmetic number, because the mean of its divisors is an integer number (3104070000).

Almost surely, 2^121241010219 is an apocalyptic number.

121241010219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121241010219 is a deficient number, since it is larger than the sum of its proper divisors (77419469781).

121241010219 is a wasteful number, since it uses less digits than its factorization.

121241010219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 121241010219 in words is "one hundred twenty-one billion, two hundred forty-one million, ten thousand, two hundred nineteen".