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101201010102221 = 750413134860417
BaseRepresentation
bin10111000000101010110010…
…010000100000111111001101
3111021022201111101201011000112
4113000222302100200333031
5101231034132041232341
6555123034025205405
730213350241442601
oct2700526220407715
9437281441634015
10101201010102221
112a27811a996a97
12b425525630865
1344612a2a97073
15ba770ced4aeb
hex5c0ab2420fcd

101201010102221 has 4 divisors (see below), whose sum is σ = 101201145713052. Its totient is φ = 101200874491392.

The previous prime is 101201010102187. The next prime is 101201010102239. The reversal of 101201010102221 is 122201010102101.

Adding to 101201010102221 its reverse (122201010102101), we get a palindrome (223402020204322).

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

It can be written as a sum of positive squares in 2 ways, for example, as 50207286204100 + 50993723898121 = 7085710^2 + 7140989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101201010102221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201010102196 and 101201010102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201010102271) 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, 66679796 + ... + 68180621.

It is an arithmetic number, because the mean of its divisors is an integer number (25300286428263).

Almost surely, 2101201010102221 is an apocalyptic number.

It is an amenable number.

101201010102221 is a deficient number, since it is larger than the sum of its proper divisors (135610831).

101201010102221 is an equidigital number, since it uses as much as digits as its factorization.

101201010102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135610830.

The product of its (nonzero) digits is 16, while the sum is 14.

The spelling of 101201010102221 in words is "one hundred one trillion, two hundred one billion, ten million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 750413 134860417 101201010102221