1001011122201 has 8 divisors (see below), whose sum is σ = 1363078975104. Its totient is φ = 653142008720.

The previous prime is 1001011122197. The next prime is 1001011122289. The reversal of 1001011122201 is 1022211101001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001011122201 - 2² = 1001011122197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001011122101) 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, 3549684690 + ... + 3549684971.

It is an arithmetic number, because the mean of its divisors is an integer number (170384871888).

Almost surely, 2^{1001011122201} is an apocalyptic number.

It is an amenable number.

1001011122201 is a deficient number, since it is larger than the sum of its proper divisors (362067852903).

1001011122201 is an equidigital number, since it uses as much as digits as its factorization.

1001011122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099369711.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001011122201 its reverse (1022211101001), we get a palindrome (2023222223202).

The spelling of 1001011122201 in words is "one trillion, one billion, eleven million, one hundred twenty-two thousand, two hundred one".