121102112219 has 16 divisors (see below), whose sum is σ = 138016134144. Its totient is φ = 105257791200.

The previous prime is 121102112179. The next prime is 121102112293. The reversal of 121102112219 is 912211201121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121102112219 - 2¹⁶ = 121102046683 is a prime.

It is a super-2 number, since 2×121102112219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102112194 and 121102112203.

It is not an unprimeable number, because it can be changed into a prime (121102162219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2111084 + ... + 2167689.

It is an arithmetic number, because the mean of its divisors is an integer number (8626008384).

Almost surely, 2^121102112219 is an apocalyptic number.

121102112219 is a deficient number, since it is larger than the sum of its proper divisors (16914021925).

121102112219 is a wasteful number, since it uses less digits than its factorization.

121102112219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278898.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 121102112219 in words is "one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred nineteen".