2001115153322 has 4 divisors (see below), whose sum is σ = 3001672729986. Its totient is φ = 1000557576660.

The previous prime is 2001115153307. The next prime is 2001115153333. The reversal of 2001115153322 is 2233515111002.

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

It can be written as a sum of positive squares in only one way, i.e., 1737411335881 + 263703817441 = 1318109^2 + 513521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001115153291 and 2001115153300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500278788329 + ... + 500278788332.

Almost surely, 2^{2001115153322} is an apocalyptic number.

2001115153322 is a deficient number, since it is larger than the sum of its proper divisors (1000557576664).

2001115153322 is a wasteful number, since it uses less digits than its factorization.

2001115153322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000557576663.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 2001115153322 in words is "two trillion, one billion, one hundred fifteen million, one hundred fifty-three thousand, three hundred twenty-two".