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222120220010120 = 2355553005500253
BaseRepresentation
bin110010100000010001100100…
…110011111010011010001000
31002010110111010001002200211122
4302200101210303322122020
5213103204202310310440
62104224342000414412
764533441055145015
oct6240214463723210
91063414101080748
10222120220010120
1164857724596133
1220ab4478317408
1396c2b01763533
143cbc966d8870c
151aa2ccb3667b5
hexca0464cfa688

222120220010120 has 16 divisors (see below), whose sum is σ = 499770495022860. Its totient is φ = 88848088004032.

The previous prime is 222120220010093. The next prime is 222120220010137. The reversal of 222120220010120 is 21010022021222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221195480060164 + 924739949956 = 14872642^2 + 961634^2 .

It is a super-2 number, since 2×2221202200101202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776502750087 + ... + 2776502750166.

Almost surely, 2222120220010120 is an apocalyptic number.

222120220010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120220010120 is an abundant number, since it is smaller than the sum of its proper divisors (277650275012740).

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

222120220010120 is a wasteful number, since it uses less digits than its factorization.

222120220010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553005500264 (or 5553005500260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222120220010120 its reverse (21010022021222), we get a palindrome (243130242031342).

The spelling of 222120220010120 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5553005500253 11106011000506 22212022001012 27765027501265 44424044002024 55530055002530 111060110005060 222120220010120