101201201010 has 128 divisors (see below), whose sum is σ = 332147612160. Its totient is φ = 21352336128.

The previous prime is 101201200999. The next prime is 101201201027. The reversal of 101201201010 is 10102102101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 101201200983 and 101201201001.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2034877 + ... + 2084016.

It is an arithmetic number, because the mean of its divisors is an integer number (2594903220).

Almost surely, 2^101201201010 is an apocalyptic number.

101201201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201201010 is an abundant number, since it is smaller than the sum of its proper divisors (230946411150).

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

101201201010 is a wasteful number, since it uses less digits than its factorization.

101201201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118929 (or 4118923 counting only the distinct ones).

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

Adding to 101201201010 its reverse (10102102101), we get a palindrome (111303303111).

The spelling of 101201201010 in words is "one hundred one billion, two hundred one million, two hundred one thousand, ten".