101012200101 has 12 divisors (see below), whose sum is σ = 152250272928. Its totient is φ = 64413576744.

The previous prime is 101012200099. The next prime is 101012200103. The reversal of 101012200101 is 101002210101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101012200099) and next prime (101012200103).

It is not a de Polignac number, because 101012200101 - 2¹ = 101012200099 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012200103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243990615 + ... + 243991028.

It is an arithmetic number, because the mean of its divisors is an integer number (12687522744).

Almost surely, 2^101012200101 is an apocalyptic number.

It is an amenable number.

101012200101 is a deficient number, since it is larger than the sum of its proper divisors (51238072827).

101012200101 is a wasteful number, since it uses less digits than its factorization.

101012200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487981672 (or 487981669 counting only the distinct ones).

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

Adding to 101012200101 its reverse (101002210101), we get a palindrome (202014410202).

The spelling of 101012200101 in words is "one hundred one billion, twelve million, two hundred thousand, one hundred one".