1010211121201 has 4 divisors (see below), whose sum is σ = 1063380127600. Its totient is φ = 957042114804.

The previous prime is 1010211121181. The next prime is 1010211121219. The reversal of 1010211121201 is 1021211120101.

It is a happy number.

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 1010211121201 - 2²³ = 1010202732593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010211121301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26584503171 + ... + 26584503208.

It is an arithmetic number, because the mean of its divisors is an integer number (265845031900).

Almost surely, 2^{1010211121201} is an apocalyptic number.

It is an amenable number.

1010211121201 is a deficient number, since it is larger than the sum of its proper divisors (53169006399).

1010211121201 is an equidigital number, since it uses as much as digits as its factorization.

1010211121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53169006398.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010211121201 its reverse (1021211120101), we get a palindrome (2031422241302).

The spelling of 1010211121201 in words is "one trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, two hundred one".