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101023222021 = 1011847541543
BaseRepresentation
bin101111000010101110…
…1000000100100000101
3100122202111000101222121
41132011131000210011
53123343421101041
6114224234125541
710204310135041
oct1360535004405
9318674011877
10101023222021
1139930a7aa37
12176b45808b1
1396ac7ba767
144c64cd5021
152963ea67d1
hex1785740905

101023222021 has 8 divisors (see below), whose sum is σ = 102078877824. Its totient is φ = 99968653200.

The previous prime is 101023221983. The next prime is 101023222039. The reversal of 101023222021 is 120222320101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101023222021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101023221986 and 101023222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023226021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84225 + ... + 457318.

It is an arithmetic number, because the mean of its divisors is an integer number (12759859728).

Almost surely, 2101023222021 is an apocalyptic number.

It is an amenable number.

101023222021 is a deficient number, since it is larger than the sum of its proper divisors (1055655803).

101023222021 is a wasteful number, since it uses less digits than its factorization.

101023222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543491.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101023222021 its reverse (120222320101), we get a palindrome (221245542122).

The spelling of 101023222021 in words is "one hundred one billion, twenty-three million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 101 1847 186547 541543 54695843 1000229921 101023222021