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102001211102111 is a prime number
BaseRepresentation
bin10111001100010100000001…
…111101000101001110011111
3111101011012221210001202000112
4113030110001331011032133
5101332141440020231421
61000534413125520235
730325226045635256
oct2714240175051637
9441135853052015
10102001211102111
112a55651a5569a2
12b53462727307b
1344bb89958ab89
141b28c5648179d
15bbd443c7c45b
hex5cc501f4539f

102001211102111 has 2 divisors, whose sum is σ = 102001211102112. Its totient is φ = 102001211102110.

The previous prime is 102001211102081. The next prime is 102001211102171. The reversal of 102001211102111 is 111201112100201.

It is a weak prime.

It is an emirp because it is prime and its reverse (111201112100201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102001211102111 - 26 = 102001211102047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102001211102171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000605551055 + 51000605551056.

It is an arithmetic number, because the mean of its divisors is an integer number (51000605551056).

Almost surely, 2102001211102111 is an apocalyptic number.

102001211102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001211102111 is an equidigital number, since it uses as much as digits as its factorization.

102001211102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102001211102111 its reverse (111201112100201), we get a palindrome (213202323202312).

The spelling of 102001211102111 in words is "one hundred two trillion, one billion, two hundred eleven million, one hundred two thousand, one hundred eleven".