1011001002201 has 16 divisors (see below), whose sum is σ = 1497796830400. Its totient is φ = 673992762624.

The previous prime is 1011001002169. The next prime is 1011001002203. The reversal of 1011001002201 is 1022001001101.

It is a happy number.

1011001002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011001002201 - 2⁵ = 1011001002169 is a prime.

It is a super-3 number, since 3×1011001002201³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011001002203) 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, 2964270 + ... + 3287688.

It is an arithmetic number, because the mean of its divisors is an integer number (93612301900).

Almost surely, 2^{1011001002201} is an apocalyptic number.

It is an amenable number.

1011001002201 is a deficient number, since it is larger than the sum of its proper divisors (486795828199).

1011001002201 is a wasteful number, since it uses less digits than its factorization.

1011001002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439205 (or 439199 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011001002201 its reverse (1022001001101), we get a palindrome (2033002003302).

The spelling of 1011001002201 in words is "one trillion, eleven billion, one million, two thousand, two hundred one".