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120102020010221 = 2831931219776677
BaseRepresentation
bin11011010011101101101110…
…001111010101000011101101
3120202020122022021102112021112
4123103231232033111003231
5111220222414110311341
61103234034543441405
734204041006025244
oct3323555617250355
9522218267375245
10120102020010221
11352a4a87273947
12115786ab5b6265
13520275859b722
142192d7c4b795b
15dd41e0da6aeb
hex6d3b6e3d50ed

120102020010221 has 8 divisors (see below), whose sum is σ = 120588825898464. Its totient is φ = 119615653679760.

The previous prime is 120102020010209. The next prime is 120102020010223. The reversal of 120102020010221 is 122010020201021.

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 120102020010221 - 218 = 120102019748077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120102020010196 and 120102020010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102020010223) 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, 109341866 + ... + 110434811.

It is an arithmetic number, because the mean of its divisors is an integer number (15073603237308).

Almost surely, 2120102020010221 is an apocalyptic number.

It is an amenable number.

120102020010221 is a deficient number, since it is larger than the sum of its proper divisors (486805888243).

120102020010221 is a wasteful number, since it uses less digits than its factorization.

120102020010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219778891.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120102020010221 its reverse (122010020201021), we get a palindrome (242112040211242).

The spelling of 120102020010221 in words is "one hundred twenty trillion, one hundred two billion, twenty million, ten thousand, two hundred twenty-one".

Divisors: 1 283 1931 546473 219776677 62196799591 424388763287 120102020010221