101202101000001 has 20 divisors (see below), whose sum is σ = 153434841914992. Its totient is φ = 66461081250168.

The previous prime is 101202100999997. The next prime is 101202101000027. The reversal of 101202101000001 is 100000101202101.

It is a happy number.

It is not a de Polignac number, because 101202101000001 - 2² = 101202100999997 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101202101000051) 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, 9323939755 + ... + 9323950608.

Almost surely, 2^{101202101000001} is an apocalyptic number.

It is an amenable number.

101202101000001 is a deficient number, since it is larger than the sum of its proper divisors (52232740914991).

101202101000001 is an equidigital number, since it uses as much as digits as its factorization.

101202101000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18647890442 (or 18647890433 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101202101000001 its reverse (100000101202101), we get a palindrome (201202202202102).

The spelling of 101202101000001 in words is "one hundred one trillion, two hundred two billion, one hundred one million, one", and thus it is an aban number.