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21122114420330 = 2571127431317429
BaseRepresentation
bin1001100110101111000000…
…01000000111111001101010
32202210020212110201020001022
410303113200020013321222
510232031042242422310
6112531210532252442
74310010454150040
oct463274010077152
982706773636038
1021122114420330
116803924a35370
122451735471122
13ba2a64833311
1453045c76c390
1526967c017a55
hex1335e0207e6a

21122114420330 has 32 divisors (see below), whose sum is σ = 47401316519040. Its totient is φ = 6583516182720.

The previous prime is 21122114420311. The next prime is 21122114420339. The reversal of 21122114420330 is 3302441122112.

It is a happy number.

It is a super-2 number, since 2×211221144203302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21122114420330.

It is not an unprimeable number, because it can be changed into a prime (21122114420339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13715657945 + ... + 13715659484.

It is an arithmetic number, because the mean of its divisors is an integer number (1481291141220).

Almost surely, 221122114420330 is an apocalyptic number.

21122114420330 is an abundant number, since it is smaller than the sum of its proper divisors (26279202098710).

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

21122114420330 is a wasteful number, since it uses less digits than its factorization.

21122114420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27431317454.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21122114420330 its reverse (3302441122112), we get a palindrome (24424555542442).

The spelling of 21122114420330 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred fourteen million, four hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 27431317429 54862634858 137156587145 192019222003 274313174290 301744491719 384038444006 603488983438 960096110015 1508722458595 1920192220030 2112211442033 3017444917190 4224422884066 10561057210165 21122114420330