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102222020211 = 3374219218279
BaseRepresentation
bin101111100110011101…
…0000011111001110011
3100202212000202122221120
41133030322003321303
53133322314121321
6114543220353323
710246104556353
oct1371472037163
9322760678846
10102222020211
113a396735843
1217989b45843
139840c80bbc
144d3a1d0b63
1529d4355ec6
hex17cce83e73

102222020211 has 16 divisors (see below), whose sum is σ = 140013523200. Its totient is φ = 66290155488.

The previous prime is 102222020149. The next prime is 102222020233. The reversal of 102222020211 is 112020222201.

It is not a de Polignac number, because 102222020211 - 217 = 102221889139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102222020011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359170 + ... + 577448.

It is an arithmetic number, because the mean of its divisors is an integer number (8750845200).

Almost surely, 2102222020211 is an apocalyptic number.

102222020211 is a deficient number, since it is larger than the sum of its proper divisors (37791502989).

102222020211 is a wasteful number, since it uses less digits than its factorization.

102222020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222538.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102222020211 its reverse (112020222201), we get a palindrome (214242242412).

The spelling of 102222020211 in words is "one hundred two billion, two hundred twenty-two million, twenty thousand, two hundred eleven".

Divisors: 1 3 37 111 4219 12657 156103 218279 468309 654837 8076323 24228969 920919101 2762757303 34074006737 102222020211