201122221121019 has 144 divisors (see below), whose sum is σ = 350550979459200. Its totient is φ = 109857656160000.

The previous prime is 201122221120999. The next prime is 201122221121021. The reversal of 201122221121019 is 910121122221102.

201122221121019 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 222 + 211 + 210 + 19 = 666.

It is not a de Polignac number, because 201122221121019 - 2¹² = 201122221116923 is a prime.

It is a super-2 number, since 2×201122221121019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201122221120983 and 201122221121001.

It is not an unprimeable number, because it can be changed into a prime (201122221121069) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 105707919 + ... + 107593719.

It is an arithmetic number, because the mean of its divisors is an integer number (2434381801800).

Almost surely, 2^{201122221121019} is an apocalyptic number.

201122221121019 is a deficient number, since it is larger than the sum of its proper divisors (149428758338181).

201122221121019 is a wasteful number, since it uses less digits than its factorization.

201122221121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885958 (or 1885924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 201122221121019 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, nineteen".