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102101212202111 is a prime number
BaseRepresentation
bin10111001101110001001010…
…011111000000010001111111
3111101111210002000202222011222
4113031301022133000101333
5101340311240310431421
61001052352132303555
730335366135154623
oct2715611237002177
9441453060688158
10102101212202111
112a594976573491
12b54ba95471bbb
1344c81453941b5
141b2da2170b183
15bc0d48132cab
hex5cdc4a7c047f

102101212202111 has 2 divisors, whose sum is σ = 102101212202112. Its totient is φ = 102101212202110.

The previous prime is 102101212202039. The next prime is 102101212202117. The reversal of 102101212202111 is 111202212101201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102101212202111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102101212202111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102101212202117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050606101055 + 51050606101056.

It is an arithmetic number, because the mean of its divisors is an integer number (51050606101056).

Almost surely, 2102101212202111 is an apocalyptic number.

102101212202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101212202111 is an equidigital number, since it uses as much as digits as its factorization.

102101212202111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102101212202111 its reverse (111202212101201), we get a palindrome (213303424303312).

The spelling of 102101212202111 in words is "one hundred two trillion, one hundred one billion, two hundred twelve million, two hundred two thousand, one hundred eleven".