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120112210011221 = 859327194273601
BaseRepresentation
bin11011010011110111001101…
…100111000110010001010101
3120202021121121102201012202222
4123103313031213012101111
5111220404301230324341
61103242442034512125
734204551351431051
oct3323671547062125
9522247542635688
10120112210011221
11352a933626147a
121157a674135645
1352036c0751c0c
142193667978c61
15dd45da79644b
hex6d3dcd9c6455

120112210011221 has 8 divisors (see below), whose sum is σ = 120255741398400. Its totient is φ = 119968687238400.

The previous prime is 120112210011181. The next prime is 120112210011257. The reversal of 120112210011221 is 122110012211021.

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 120112210011221 - 246 = 49743465833557 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 120112210011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112210011281) 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, 25968821 + ... + 30242421.

It is an arithmetic number, because the mean of its divisors is an integer number (15031967674800).

Almost surely, 2120112210011221 is an apocalyptic number.

It is an amenable number.

120112210011221 is a deficient number, since it is larger than the sum of its proper divisors (143531387179).

120112210011221 is an equidigital number, since it uses as much as digits as its factorization.

120112210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307179.

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

Adding to 120112210011221 its reverse (122110012211021), we get a palindrome (242222222222242).

The spelling of 120112210011221 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred ten million, eleven thousand, two hundred twenty-one".

Divisors: 1 859 32719 4273601 28105621 3671023259 139827951119 120112210011221