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102122212111201 = 842771121174331
BaseRepresentation
bin10111001110000100101110…
…001011010011001101100001
3111101120210021112210212211201
4113032010232023103031201
5101341132242300024301
61001110144021241201
730340041421353442
oct2716045613231541
9441523245725751
10102122212111201
112a5a2872463a57
12b553b76263201
1344ca110c767c9
141b30a547192c9
15bc1676a63201
hex5ce12e2d3361

102122212111201 has 4 divisors (see below), whose sum is σ = 102122334128304. Its totient is φ = 102122090094100.

The previous prime is 102122212111177. The next prime is 102122212111217. The reversal of 102122212111201 is 102111212221201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102122212111201 - 215 = 102122212078433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102122212111261) 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 in 3 ways as a sum of consecutive naturals, for example, 59744395 + ... + 61429936.

It is an arithmetic number, because the mean of its divisors is an integer number (25530583532076).

Almost surely, 2102122212111201 is an apocalyptic number.

It is an amenable number.

102122212111201 is a deficient number, since it is larger than the sum of its proper divisors (122017103).

102122212111201 is an equidigital number, since it uses as much as digits as its factorization.

102122212111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122017102.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102122212111201 its reverse (102111212221201), we get a palindrome (204233424332402).

The spelling of 102122212111201 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, two hundred one".

Divisors: 1 842771 121174331 102122212111201