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121022210002 = 265392666317
BaseRepresentation
bin111000010110101111…
…1000101111111010010
3102120101020122021000011
41300231133011333102
53440323141210002
6131332525545134
711513020545331
oct1605537057722
9376336567004
10121022210002
1147363978681
121b5561151aa
13b548bcc865
145c00dd5d18
153234ac28d7
hex1c2d7c5fd2

121022210002 has 8 divisors (see below), whose sum is σ = 181811315916. Its totient is φ = 60418438032.

The previous prime is 121022209969. The next prime is 121022210009. The reversal of 121022210002 is 200012220121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113184472041 + 7837737961 = 336429^2 + 88531^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121022210009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46331853 + ... + 46334464.

Almost surely, 2121022210002 is an apocalyptic number.

121022210002 is a deficient number, since it is larger than the sum of its proper divisors (60789105914).

121022210002 is an equidigital number, since it uses as much as digits as its factorization.

121022210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92666972.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121022210002 its reverse (200012220121), we get a palindrome (321034430123).

The spelling of 121022210002 in words is "one hundred twenty-one billion, twenty-two million, two hundred ten thousand, two".

Divisors: 1 2 653 1306 92666317 185332634 60511105001 121022210002