101213221230 has 48 divisors (see below), whose sum is σ = 287077503024. Its totient is φ = 24536538240.

The previous prime is 101213221139. The next prime is 101213221247. The reversal of 101213221230 is 32122312101.

101213221230 is a `hidden beast` number, since 1 + 0 + 1 + 213 + 221 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 51116799 + ... + 51118778.

It is an arithmetic number, because the mean of its divisors is an integer number (5980781313).

Almost surely, 2^101213221230 is an apocalyptic number.

101213221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101213221230 is an abundant number, since it is smaller than the sum of its proper divisors (185864281794).

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

101213221230 is a wasteful number, since it uses less digits than its factorization.

101213221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102235601 (or 102235598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101213221230 its reverse (32122312101), we get a palindrome (133335533331).

The spelling of 101213221230 in words is "one hundred one billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred thirty".