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102220021102123 = 1034539492186209
BaseRepresentation
bin10111001111011111110100…
…000010111111011000101011
3111101221010202000200102200001
4113033133310002333120223
5101344233100400231443
61001223121315323431
730350103262150411
oct2717376402773053
9441833660612601
10102220021102123
112a6302a4050551
12b56ab122b0577
1345063ca882072
141b3569279d2b1
15bc3e9d759d4d
hex5cf7f40bf62b

102220021102123 has 8 divisors (see below), whose sum is σ = 103212723068000. Its totient is φ = 101227324416768.

The previous prime is 102220021102079. The next prime is 102220021102151. The reversal of 102220021102123 is 321201120022201.

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 102220021102123 - 241 = 100020997846571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220021102123.

It is not an unprimeable number, because it can be changed into a prime (102220021106123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45663643 + ... + 47849851.

It is an arithmetic number, because the mean of its divisors is an integer number (12901590383500).

Almost surely, 2102220021102123 is an apocalyptic number.

102220021102123 is a deficient number, since it is larger than the sum of its proper divisors (992701965877).

102220021102123 is a wasteful number, since it uses less digits than its factorization.

102220021102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640261.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102220021102123 its reverse (321201120022201), we get a palindrome (423421141124324).

The spelling of 102220021102123 in words is "one hundred two trillion, two hundred twenty billion, twenty-one million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 103 453949 2186209 46756747 225179527 992427389341 102220021102123