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102222211031077 is a prime number
BaseRepresentation
bin10111001111100001110110…
…100100111010000000100101
3111101221100101122102100102211
4113033201312210322000211
5101344302042010443302
61001224122505203421
730350211453223054
oct2717416644720045
9441840348370384
10102222211031077
112a631218221595
12b56b423790571
134506689498707
141b3581d57839b
15bc407ab37ad7
hex5cf87693a025

102222211031077 has 2 divisors, whose sum is σ = 102222211031078. Its totient is φ = 102222211031076.

The previous prime is 102222211031021. The next prime is 102222211031081. The reversal of 102222211031077 is 770130112222201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99479060218561 + 2743150812516 = 9973919^2 + 1656246^2 .

It is an emirp because it is prime and its reverse (770130112222201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102222211031077 - 27 = 102222211030949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222211031777) by changing a digit.

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 as a sum of consecutive naturals, namely, 51111105515538 + 51111105515539.

It is an arithmetic number, because the mean of its divisors is an integer number (51111105515539).

Almost surely, 2102222211031077 is an apocalyptic number.

It is an amenable number.

102222211031077 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222211031077 is an equidigital number, since it uses as much as digits as its factorization.

102222211031077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 102222211031077 its reverse (770130112222201), we get a palindrome (872352323253278).

The spelling of 102222211031077 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, thirty-one thousand, seventy-seven".