2001101212322 has 16 divisors (see below), whose sum is σ = 3236697727200. Its totient is φ = 924770777760.

The previous prime is 2001101212321. The next prime is 2001101212367. The reversal of 2001101212322 is 2232121011002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001101212322.

It is not an unprimeable number, because it can be changed into a prime (2001101212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642200372 + ... + 642203487.

It is an arithmetic number, because the mean of its divisors is an integer number (202293607950).

Almost surely, 2^{2001101212322} is an apocalyptic number.

2001101212322 is a deficient number, since it is larger than the sum of its proper divisors (1235596514878).

2001101212322 is a wasteful number, since it uses less digits than its factorization.

2001101212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284403921.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2001101212322 its reverse (2232121011002), we get a palindrome (4233222223324).

The spelling of 2001101212322 in words is "two trillion, one billion, one hundred one million, two hundred twelve thousand, three hundred twenty-two".