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120001202102221 = 11107101955141973
BaseRepresentation
bin11011010010001111110101…
…000001100001111111001101
3120201220000002002202011011221
4123102033311001201333031
5111212044430214232341
61103115442522043341
734163541440656306
oct3322176501417715
9521800062664157
10120001202102221
1135266251186420
1211561053949551
1351c60ac4a8c6b
14218c1369897ad
15dd178ee58ed1
hex6d23f5061fcd

120001202102221 has 8 divisors (see below), whose sum is σ = 132133863998304. Its totient is φ = 108072450490320.

The previous prime is 120001202102213. The next prime is 120001202102251. The reversal of 120001202102221 is 122201202100021.

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 120001202102221 - 23 = 120001202102213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001202102195 and 120001202102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001202102251) 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, 50977569810 + ... + 50977572163.

It is an arithmetic number, because the mean of its divisors is an integer number (16516732999788).

Almost surely, 2120001202102221 is an apocalyptic number.

120001202102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120001202102221 is a deficient number, since it is larger than the sum of its proper divisors (12132661896083).

120001202102221 is a wasteful number, since it uses less digits than its factorization.

120001202102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101955142091.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120001202102221 its reverse (122201202100021), we get a palindrome (242202404202242).

The spelling of 120001202102221 in words is "one hundred twenty trillion, one billion, two hundred two million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 11 107 1177 101955141973 1121506561703 10909200191111 120001202102221