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122200111021211 = 574125343839897
BaseRepresentation
bin11011110010001111101110…
…001101010111110010011011
3121000200012211211211000212122
4123302033232031113302123
5112004111311410134321
61111521542255331455
734511444445253226
oct3362175615276233
9530605754730778
10122200111021211
1135a33859a15063
1211857249b20b8b
135325561cb2322
1422267346605bd
15e1da8a6d78ab
hex6f23ee357c9b

122200111021211 has 8 divisors (see below), whose sum is σ = 122226364744704. Its totient is φ = 122173859039680.

The previous prime is 122200111021181. The next prime is 122200111021217. The reversal of 122200111021211 is 112120111002221.

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 122200111021211 - 234 = 122182931152027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122200111021211.

It is not an unprimeable number, because it can be changed into a prime (122200111021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145074215 + ... + 145914111.

It is an arithmetic number, because the mean of its divisors is an integer number (15278295593088).

Almost surely, 2122200111021211 is an apocalyptic number.

122200111021211 is a deficient number, since it is larger than the sum of its proper divisors (26253723493).

122200111021211 is an equidigital number, since it uses as much as digits as its factorization.

122200111021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870981.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122200111021211 its reverse (112120111002221), we get a palindrome (234320222023432).

The spelling of 122200111021211 in words is "one hundred twenty-two trillion, two hundred billion, one hundred eleven million, twenty-one thousand, two hundred eleven".

Divisors: 1 5741 25343 839897 145494163 4821848677 21285509671 122200111021211