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101230333021 = 234401318827
BaseRepresentation
bin101111001000111001…
…1000100110001011101
3100200021220201201212101
41132101303010301131
53124304431124041
6114300553205101
710212403430146
oct1362163046135
9320256651771
10101230333021
1139a2797a554
1217751a00791
13971369464c
144c84608acd
152977267b31
hex1791cc4c5d

101230333021 has 4 divisors (see below), whose sum is σ = 105631651872. Its totient is φ = 96829014172.

The previous prime is 101230332989. The next prime is 101230333027. The reversal of 101230333021 is 120333032101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101230333021 - 25 = 101230332989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101230333021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230333027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2200659391 + ... + 2200659436.

It is an arithmetic number, because the mean of its divisors is an integer number (26407912968).

Almost surely, 2101230333021 is an apocalyptic number.

It is an amenable number.

101230333021 is a deficient number, since it is larger than the sum of its proper divisors (4401318851).

101230333021 is an equidigital number, since it uses as much as digits as its factorization.

101230333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401318850.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 101230333021 its reverse (120333032101), we get a palindrome (221563365122).

The spelling of 101230333021 in words is "one hundred one billion, two hundred thirty million, three hundred thirty-three thousand, twenty-one".

Divisors: 1 23 4401318827 101230333021