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101222211011111 = 1991750929051021
BaseRepresentation
bin10111000000111110100001…
…111011100100001000100111
3111021101202012220221220120022
4113000332201323210020213
5101231411042004323421
6555140501454225355
730215030515261601
oct2700764173441047
9437352186856508
10101222211011111
112a28610a2926a3
12b4296617b525b
1344632a11c3a78
141add277128171
15ba804e3ba7ab
hex5c0fa1ee4227

101222211011111 has 8 divisors (see below), whose sum is σ = 101736679044000. Its totient is φ = 100707801115680.

The previous prime is 101222211011099. The next prime is 101222211011113. The reversal of 101222211011111 is 111110112222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101222211011111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101222211011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222211011113) 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 7 ways as a sum of consecutive naturals, for example, 11041220 + ... + 18009801.

It is an arithmetic number, because the mean of its divisors is an integer number (12717084880500).

Almost surely, 2101222211011111 is an apocalyptic number.

101222211011111 is a deficient number, since it is larger than the sum of its proper divisors (514468032889).

101222211011111 is a wasteful number, since it uses less digits than its factorization.

101222211011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29068729.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101222211011111 its reverse (111110112222101), we get a palindrome (212332323233212).

The spelling of 101222211011111 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred eleven million, eleven thousand, one hundred eleven".

Divisors: 1 199 17509 3484291 29051021 5781153179 508654326689 101222211011111