Search a number
-
+
121201121022202 = 21346351100571327
BaseRepresentation
bin11011100011101101010101…
…110000111101000011111010
3120220010201021111212222021201
4123203231111300331003322
5111341224343440202302
61105435005404524414
734346330523340414
oct3343552560750372
9526121244788251
10121201121022202
113568911a123931
121171570a25070a
1352822a8045b10
1421d02464099b4
15e02abc97ac87
hex6e3b55c3d0fa

121201121022202 has 16 divisors (see below), whose sum is σ = 195790652209152. Its totient is φ = 55937771521200.

The previous prime is 121201121022169. The next prime is 121201121022217. The reversal of 121201121022202 is 202220121102121.

It is a self number, because there is not a number n which added to its sum of digits gives 121201121022202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49080538 + ... + 51490789.

It is an arithmetic number, because the mean of its divisors is an integer number (12236915763072).

Almost surely, 2121201121022202 is an apocalyptic number.

121201121022202 is a deficient number, since it is larger than the sum of its proper divisors (74589531186950).

121201121022202 is a wasteful number, since it uses less digits than its factorization.

121201121022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100617693.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121201121022202 its reverse (202220121102121), we get a palindrome (323421242124323).

The spelling of 121201121022202 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-one million, twenty-two thousand, two hundred two".

Divisors: 1 2 13 26 46351 92702 602563 1205126 100571327 201142654 1307427251 2614854502 4661581577777 9323163155554 60600560511101 121201121022202