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102122111200111 = 656839915547489
BaseRepresentation
bin10111001110000100101000…
…001010010110101101101111
3111101120210000111221001211221
4113032010220022112231233
5101341132040431400421
61001110130014324211
730340036054545142
oct2716045012265557
9441523014831757
10102122111200111
112a5a28204aaa62
12b553b484b9667
1344ca0c60a43c2
141b30a4516c059
15bc166cc7d841
hex5ce128296b6f

102122111200111 has 4 divisors (see below), whose sum is σ = 102122133316000. Its totient is φ = 102122089084224.

The previous prime is 102122111200091. The next prime is 102122111200163. The reversal of 102122111200111 is 111002111221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102122111200111 - 25 = 102122111200079 is a prime.

It is a super-3 number, since 3×1021221112001113 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122111201111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205346 + ... + 14342143.

It is an arithmetic number, because the mean of its divisors is an integer number (25530533329000).

Almost surely, 2102122111200111 is an apocalyptic number.

102122111200111 is a deficient number, since it is larger than the sum of its proper divisors (22115889).

102122111200111 is an equidigital number, since it uses as much as digits as its factorization.

102122111200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22115888.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102122111200111 its reverse (111002111221201), we get a palindrome (213124222421312).

The spelling of 102122111200111 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thousand, one hundred eleven".

Divisors: 1 6568399 15547489 102122111200111