101020002201 has 10 divisors (see below), whose sum is σ = 150906423162. Its totient is φ = 67346668080.

The previous prime is 101020002191. The next prime is 101020002229. The reversal of 101020002201 is 102200020101.

It can be written as a sum of positive squares in only one way, i.e., 95913470601 + 5106531600 = 309699^2 + 71460^2 .

It is not a de Polignac number, because 101020002201 - 2⁵ = 101020002169 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 (101020002001) 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 9 ways as a sum of consecutive naturals, for example, 623580180 + ... + 623580341.

Almost surely, 2^101020002201 is an apocalyptic number.

It is an amenable number.

101020002201 is a deficient number, since it is larger than the sum of its proper divisors (49886420961).

101020002201 is an equidigital number, since it uses as much as digits as its factorization.

101020002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247160533 (or 1247160524 counting only the distinct ones).

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

Adding to 101020002201 its reverse (102200020101), we get a palindrome (203220022302).

The spelling of 101020002201 in words is "one hundred one billion, twenty million, two thousand, two hundred one".