101321211030 has 32 divisors (see below), whose sum is σ = 261876361824. Its totient is φ = 24940605696.

The previous prime is 101321210993. The next prime is 101321211037. The reversal of 101321211030 is 30112123101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321211037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129898599 + ... + 129899378.

It is an arithmetic number, because the mean of its divisors is an integer number (8183636307).

Almost surely, 2^101321211030 is an apocalyptic number.

101321211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101321211030 is an abundant number, since it is smaller than the sum of its proper divisors (160555150794).

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

101321211030 is a wasteful number, since it uses less digits than its factorization.

101321211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259798000.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101321211030 its reverse (30112123101), we get a palindrome (131433334131).

The spelling of 101321211030 in words is "one hundred one billion, three hundred twenty-one million, two hundred eleven thousand, thirty".