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20102220111201 = 317394161178651
BaseRepresentation
bin1001001001000011010011…
…01100000101110101100001
32122011202100021122011221020
410210201221230011311201
510113323321322024301
6110430455445520053
74143223516440534
oct444415154056541
978152307564836
1020102220111201
116450338209588
122307b40a13029
13b2a828a46a37
144d6d4a0b2a1b
1524cd88e61436
hex124869b05d61

20102220111201 has 8 divisors (see below), whose sum is σ = 28379604862944. Its totient is φ = 12613157716800.

The previous prime is 20102220111199. The next prime is 20102220111209. The reversal of 20102220111201 is 10211102220102.

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

It is not a de Polignac number, because 20102220111201 - 21 = 20102220111199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102220111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197080589275 + ... + 197080589376.

It is an arithmetic number, because the mean of its divisors is an integer number (3547450607868).

Almost surely, 220102220111201 is an apocalyptic number.

It is an amenable number.

20102220111201 is a deficient number, since it is larger than the sum of its proper divisors (8277384751743).

20102220111201 is a wasteful number, since it uses less digits than its factorization.

20102220111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394161178671.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102220111201 its reverse (10211102220102), we get a palindrome (30313322331303).

The spelling of 20102220111201 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred eleven thousand, two hundred one".

Divisors: 1 3 17 51 394161178651 1182483535953 6700740037067 20102220111201