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220220102121222 = 2375243335764791
BaseRepresentation
bin110010000100100111111100…
…111101011001011100000110
31001212201211120120001210221210
4302010213330331121130012
5212331041232120334342
62100211415051552250
764246243265446020
oct6204477475313406
91055654516053853
10220220102121222
1164194903580805
122084816a75b686
1395b5888473868
143c549d1a2d010
151a6d66c08879c
hexc849fcf59706

220220102121222 has 16 divisors (see below), whose sum is σ = 503360233420032. Its totient is φ = 62920029177480.

The previous prime is 220220102121211. The next prime is 220220102121233. The reversal of 220220102121222 is 222121201022022.

It is an interprime number because it is at equal distance from previous prime (220220102121211) and next prime (220220102121233).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621667882354 + ... + 2621667882437.

It is an arithmetic number, because the mean of its divisors is an integer number (31460014588752).

Almost surely, 2220220102121222 is an apocalyptic number.

220220102121222 is an abundant number, since it is smaller than the sum of its proper divisors (283140131298810).

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

220220102121222 is a wasteful number, since it uses less digits than its factorization.

220220102121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243335764803.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220220102121222 its reverse (222121201022022), we get a palindrome (442341303143244).

The spelling of 220220102121222 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 5243335764791 10486671529582 15730007294373 31460014588746 36703350353537 73406700707074 110110051060611 220220102121222