1010202120221 has 8 divisors (see below), whose sum is σ = 1154893903104. Its totient is φ = 865604635920.

The previous prime is 1010202120197. The next prime is 1010202120233. The reversal of 1010202120221 is 1220212020101.

1010202120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1010202120221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010202120196 and 1010202120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010202120241) 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, 23551685 + ... + 23594538.

It is an arithmetic number, because the mean of its divisors is an integer number (144361737888).

Almost surely, 2^{1010202120221} is an apocalyptic number.

It is an amenable number.

1010202120221 is a deficient number, since it is larger than the sum of its proper divisors (144691782883).

1010202120221 is an equidigital number, since it uses as much as digits as its factorization.

1010202120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47149291.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1010202120221 its reverse (1220212020101), we get a palindrome (2230414140322).

The spelling of 1010202120221 in words is "one trillion, ten billion, two hundred two million, one hundred twenty thousand, two hundred twenty-one".