101011200102 has 24 divisors (see below), whose sum is σ = 218878984584. Its totient is φ = 33667110144.

The previous prime is 101011200097. The next prime is 101011200109. The reversal of 101011200102 is 201002110101.

It is a happy number.

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 (101011200109) 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, 81148 + ... + 456735.

It is an arithmetic number, because the mean of its divisors is an integer number (9119957691).

Almost surely, 2^101011200102 is an apocalyptic number.

101011200102 is an abundant number, since it is smaller than the sum of its proper divisors (117867784482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101011200102 is a wasteful number, since it uses less digits than its factorization.

101011200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548324 (or 548321 counting only the distinct ones).

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

Adding to 101011200102 its reverse (201002110101), we get a palindrome (302013310203).

Subtracting 101011200102 from its reverse (201002110101), we obtain a palindrome (99990909999).

The spelling of 101011200102 in words is "one hundred one billion, eleven million, two hundred thousand, one hundred two".