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121022020222 = 2173559471183
BaseRepresentation
bin111000010110101111…
…0010111101001111110
3102120101020021121200021
41300231132113221332
53440323114121342
6131332521522354
711513016125125
oct1605536275176
9376336247607
10121022020222
1147363859034
121b5560433ba
13b548b6436c
145c00d86abc
153234a86567
hex1c2d797a7e

121022020222 has 8 divisors (see below), whose sum is σ = 192211443936. Its totient is φ = 56951538912.

The previous prime is 121022020199. The next prime is 121022020237. The reversal of 121022020222 is 222020220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1210220202222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121022020196 and 121022020205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779735558 + ... + 1779735625.

It is an arithmetic number, because the mean of its divisors is an integer number (24026430492).

Almost surely, 2121022020222 is an apocalyptic number.

121022020222 is a deficient number, since it is larger than the sum of its proper divisors (71189423714).

121022020222 is a wasteful number, since it uses less digits than its factorization.

121022020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559471202.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121022020222 its reverse (222020220121), we get a palindrome (343042240343).

The spelling of 121022020222 in words is "one hundred twenty-one billion, twenty-two million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 17 34 3559471183 7118942366 60511010111 121022020222