1010211122201 has 4 divisors (see below), whose sum is σ = 1011578120400. Its totient is φ = 1008844124004.

The previous prime is 1010211122191. The next prime is 1010211122231. The reversal of 1010211122201 is 1022211120101.

1010211122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010211122201 - 2¹⁴ = 1010211105817 is a prime.

It is a super-2 number, since 2×1010211122201² (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 (1010211122231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683497991 + ... + 683499468.

It is an arithmetic number, because the mean of its divisors is an integer number (252894530100).

Almost surely, 2^{1010211122201} is an apocalyptic number.

It is an amenable number.

1010211122201 is a deficient number, since it is larger than the sum of its proper divisors (1366998199).

1010211122201 is an equidigital number, since it uses as much as digits as its factorization.

1010211122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366998198.

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

Adding to 1010211122201 its reverse (1022211120101), we get a palindrome (2032422242302).

The spelling of 1010211122201 in words is "one trillion, ten billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".