121120102219 has 4 divisors (see below), whose sum is σ = 121231529344. Its totient is φ = 121008675096.

The previous prime is 121120102217. The next prime is 121120102231. The reversal of 121120102219 is 912201021121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121120102219 - 2¹ = 121120102217 is a prime.

It is a super-2 number, since 2×121120102219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121120102219.

It is not an unprimeable number, because it can be changed into a prime (121120102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55711932 + ... + 55714105.

It is an arithmetic number, because the mean of its divisors is an integer number (30307882336).

Almost surely, 2^121120102219 is an apocalyptic number.

121120102219 is a deficient number, since it is larger than the sum of its proper divisors (111427125).

121120102219 is a wasteful number, since it uses less digits than its factorization.

121120102219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111427124.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121120102219 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred two thousand, two hundred nineteen".