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222120121021222 = 21014312551286681
BaseRepresentation
bin110010100000010001011110…
…111010010011001100100110
31002010110110212010211112121011
4302200101132322103030212
5213103204001440134342
62104224324103012434
764533435443563444
oct6240213672231446
91063413763745534
10222120121021222
1164857683725326
1220ab444b13a11a
1396c2ab70b5018
143cbc957b7bb94
151aa2cc2811717
hexca045ee93326

222120121021222 has 16 divisors (see below), whose sum is σ = 337259689066944. Its totient is φ = 109705327240000.

The previous prime is 222120121021193. The next prime is 222120121021313.

222120121021222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222120121021193 and 222120121021202.

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, 1275556279 + ... + 1275730402.

It is an arithmetic number, because the mean of its divisors is an integer number (21078730566684).

Almost surely, 2222120121021222 is an apocalyptic number.

222120121021222 is a deficient number, since it is larger than the sum of its proper divisors (115139568045722).

222120121021222 is a wasteful number, since it uses less digits than its factorization.

222120121021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551287215.

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 222120121021222 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 101 202 431 862 43531 87062 2551286681 5102573362 257679954781 515359909562 1099604559511 2199209119022 111060060510611 222120121021222