1010202020201 has 16 divisors (see below), whose sum is σ = 1179702316800. Its totient is φ = 855284158800.

The previous prime is 1010202020197. The next prime is 1010202020207. The reversal of 1010202020201 is 1020202020101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1010202020201 - 2² = 1010202020197 is a prime.

It is a super-2 number, since 2×1010202020201² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010202020207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40949555 + ... + 40974216.

It is an arithmetic number, because the mean of its divisors is an integer number (73731394800).

Almost surely, 2^{1010202020201} is an apocalyptic number.

1010202020201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010202020201 is a deficient number, since it is larger than the sum of its proper divisors (169500296599).

1010202020201 is a wasteful number, since it uses less digits than its factorization.

1010202020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81923860.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010202020201 its reverse (1020202020101), we get a palindrome (2030404040302).

The spelling of 1010202020201 in words is "one trillion, ten billion, two hundred two million, twenty thousand, two hundred one".