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223021201021 = 3149613145007
BaseRepresentation
bin1100111110110100011…
…0010111011001111101
3210022122201201212102021
43033231012113121331
512123221411413041
6250242102200141
722053446634103
oct3175506273175
9708581655367
10223021201021
1186645721273
1237281423051
13180528c2308
14ab1972bc73
155c04570cd1
hex33ed19767d

223021201021 has 8 divisors (see below), whose sum is σ = 230221661184. Its totient is φ = 215821130160.

The previous prime is 223021200971. The next prime is 223021201033. The reversal of 223021201021 is 120102120322.

It is a happy number.

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 223021201021 - 27 = 223021200893 is a prime.

It is a super-2 number, since 2×2230212010212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223021200986 and 223021201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021208021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465500 + ... + 1610506.

It is an arithmetic number, because the mean of its divisors is an integer number (28777707648).

Almost surely, 2223021201021 is an apocalyptic number.

It is an amenable number.

223021201021 is a deficient number, since it is larger than the sum of its proper divisors (7200460163).

223021201021 is a wasteful number, since it uses less digits than its factorization.

223021201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194651.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 223021201021 its reverse (120102120322), we get a palindrome (343123321343).

The spelling of 223021201021 in words is "two hundred twenty-three billion, twenty-one million, two hundred one thousand, twenty-one".

Divisors: 1 31 49613 145007 1538003 4495217 7194232291 223021201021