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102222021101221 = 734941842824847
BaseRepresentation
bin10111001111100001101011…
…010000011000011010100101
3111101221022220102000220122201
4113033201223100120122211
5101344301144400214341
61001224052002254501
730350203655646520
oct2717415320303245
9441838812026581
10102222021101221
112a63112aa9746a
12b56b390057431
134506659028b98
141b35802257bb7
15bc406911c331
hex5cf86b4186a5

102222021101221 has 8 divisors (see below), whose sum is σ = 117159909574400. Its totient is φ = 87367818278448.

The previous prime is 102222021101153. The next prime is 102222021101267. The reversal of 102222021101221 is 122101120222201.

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

It is a cyclic number.

It is not a de Polignac number, because 102222021101221 - 211 = 102222021099173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222021101621) 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 7 ways as a sum of consecutive naturals, for example, 20921409981 + ... + 20921414866.

It is an arithmetic number, because the mean of its divisors is an integer number (14644988696800).

Almost surely, 2102222021101221 is an apocalyptic number.

It is an amenable number.

102222021101221 is a deficient number, since it is larger than the sum of its proper divisors (14937888473179).

102222021101221 is an equidigital number, since it uses as much as digits as its factorization.

102222021101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41842825203.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102222021101221 its reverse (122101120222201), we get a palindrome (224323141323422).

The spelling of 102222021101221 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 7 349 2443 41842824847 292899773929 14603145871603 102222021101221