1010201121221 has 8 divisors (see below), whose sum is σ = 1010884089600. Its totient is φ = 1009518279840.

The previous prime is 1010201121173. The next prime is 1010201121227. The reversal of 1010201121221 is 1221211020101.

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 1010201121221 - 2⁶ = 1010201121157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010201121196 and 1010201121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010201121227) 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, 20046785 + ... + 20097113.

It is an arithmetic number, because the mean of its divisors is an integer number (126360511200).

Almost surely, 2^{1010201121221} is an apocalyptic number.

It is an amenable number.

1010201121221 is a deficient number, since it is larger than the sum of its proper divisors (682968379).

1010201121221 is a wasteful number, since it uses less digits than its factorization.

1010201121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63499.

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

Adding to 1010201121221 its reverse (1221211020101), we get a palindrome (2231412141322).

The spelling of 1010201121221 in words is "one trillion, ten billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty-one".