1121722051219 has 16 divisors (see below), whose sum is σ = 1406237204736. Its totient is φ = 869240008800.

The previous prime is 1121722051211. The next prime is 1121722051249. The reversal of 1121722051219 is 9121502271211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121722051219 - 2³ = 1121722051211 is a prime.

It is a super-2 number, since 2×1121722051219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121722051211) 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, 40228657 + ... + 40256530.

It is an arithmetic number, because the mean of its divisors is an integer number (87889825296).

Almost surely, 2^{1121722051219} is an apocalyptic number.

1121722051219 is a deficient number, since it is larger than the sum of its proper divisors (284515153517).

1121722051219 is a wasteful number, since it uses less digits than its factorization.

1121722051219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80485386.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 1121722051219 in words is "one trillion, one hundred twenty-one billion, seven hundred twenty-two million, fifty-one thousand, two hundred nineteen".