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120202101102221 = 643269036948649
BaseRepresentation
bin11011010101001010111011…
…100010011001011010001101
3120202121012122002122202211122
4123111022323202121122031
5111223342400340232341
61103352025524530325
734214213056205465
oct3325127342313215
9522535562582748
10120202101102221
1135333474456626
1211593b805509a5
13520c017b315a8
142197b54206ba5
15dd6aec2ad94b
hex6d52bb89968d

120202101102221 has 8 divisors (see below), whose sum is σ = 120393532862400. Its totient is φ = 120010683294432.

The previous prime is 120202101102217. The next prime is 120202101102241. The reversal of 120202101102221 is 122201101202021.

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 120202101102221 - 22 = 120202101102217 is a prime.

It is a super-2 number, since 2×1202021011022212 (a number of 29 digits) contains 22 as substring.

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 120202101102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202101102241) 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, 13824305 + ... + 20772953.

It is an arithmetic number, because the mean of its divisors is an integer number (15049191607800).

Almost surely, 2120202101102221 is an apocalyptic number.

It is an amenable number.

120202101102221 is a deficient number, since it is larger than the sum of its proper divisors (191431760179).

120202101102221 is an equidigital number, since it uses as much as digits as its factorization.

120202101102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976195.

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

Adding to 120202101102221 its reverse (122201101202021), we get a palindrome (242403202304242).

The spelling of 120202101102221 in words is "one hundred twenty trillion, two hundred two billion, one hundred one million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 643 26903 6948649 17298629 4467981307 186939504047 120202101102221