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120111200022221 = 435774841046311
BaseRepresentation
bin11011010011110110010001…
…011010010010111011001101
3120202021112000001020110022222
4123103312101122102323031
5111220400214201202341
61103242153515145125
734204514335604522
oct3323662132227315
9522245001213288
10120111200022221
11352a8968135821
121157a431a451a5
13520358c4281a5
1421935ad78b149
15dd457bc9044b
hex6d3d91692ecd

120111200022221 has 8 divisors (see below), whose sum is σ = 123117489806784. Its totient is φ = 117114592331520.

The previous prime is 120111200022217. The next prime is 120111200022277. The reversal of 120111200022221 is 122220002111021.

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 120111200022221 - 22 = 120111200022217 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 120111200022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111200022521) 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, 2420498345 + ... + 2420547966.

It is an arithmetic number, because the mean of its divisors is an integer number (15389686225848).

Almost surely, 2120111200022221 is an apocalyptic number.

It is an amenable number.

120111200022221 is a deficient number, since it is larger than the sum of its proper divisors (3006289784563).

120111200022221 is an equidigital number, since it uses as much as digits as its factorization.

120111200022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841046931.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120111200022221 its reverse (122220002111021), we get a palindrome (242331202133242).

The spelling of 120111200022221 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 43 577 24811 4841046311 208164991373 2793283721447 120111200022221