1011012122201 has 8 divisors (see below), whose sum is σ = 1012612122600. Its totient is φ = 1009412835840.

The previous prime is 1011012122167. The next prime is 1011012122233. The reversal of 1011012122201 is 1022212101101.

1011012122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 251177382976 + 759834739225 = 501176^2 + 871685^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011012122201 is a prime.

It is a super-2 number, since 2×1011012122201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011012122501) 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, 2691965 + ... + 3044453.

It is an arithmetic number, because the mean of its divisors is an integer number (126576515325).

Almost surely, 2^{1011012122201} is an apocalyptic number.

It is an amenable number.

1011012122201 is a deficient number, since it is larger than the sum of its proper divisors (1600000399).

1011012122201 is an equidigital number, since it uses as much as digits as its factorization.

1011012122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357019.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011012122201 its reverse (1022212101101), we get a palindrome (2033224223302).

The spelling of 1011012122201 in words is "one trillion, eleven billion, twelve million, one hundred twenty-two thousand, two hundred one".