101002020201 has 20 divisors (see below), whose sum is σ = 151878781824. Its totient is φ = 66888747000.

The previous prime is 101002020199. The next prime is 101002020211. The reversal of 101002020201 is 102020200101.

It is not a de Polignac number, because 101002020201 - 2¹ = 101002020199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101002020211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4116705 + ... + 4141166.

Almost surely, 2^101002020201 is an apocalyptic number.

It is an amenable number.

101002020201 is a deficient number, since it is larger than the sum of its proper divisors (50876761623).

101002020201 is an equidigital number, since it uses as much as digits as its factorization.

101002020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258034 (or 8258025 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101002020201 its reverse (102020200101), we get a palindrome (203022220302).

The spelling of 101002020201 in words is "one hundred one billion, two million, twenty thousand, two hundred one".