Search a number
-
+
102202110001121 = 137861700769317
BaseRepresentation
bin10111001111001111001000…
…011101100011111111100001
3111101212102111202210020010212
4113033033020131203333201
5101343434410130013441
61001211000130303505
730345600363254144
oct2717171035437741
9441772452706125
10102202110001121
112a623742768239
12b567553a27b95
134504804ba9550
141b34873ab405b
15bc37a10b1eeb
hex5cf3c8763fe1

102202110001121 has 4 divisors (see below), whose sum is σ = 110063810770452. Its totient is φ = 94340409231792.

The previous prime is 102202110001093. The next prime is 102202110001151. The reversal of 102202110001121 is 121100011202201.

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 15897285379600 + 86304824621521 = 3987140^2 + 9290039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102202110001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202110001096 and 102202110001105.

It is not an unprimeable number, because it can be changed into a prime (102202110001151) 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, 3930850384646 + ... + 3930850384671.

It is an arithmetic number, because the mean of its divisors is an integer number (27515952692613).

Almost surely, 2102202110001121 is an apocalyptic number.

It is an amenable number.

102202110001121 is a deficient number, since it is larger than the sum of its proper divisors (7861700769331).

102202110001121 is an equidigital number, since it uses as much as digits as its factorization.

102202110001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861700769330.

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

Adding to 102202110001121 its reverse (121100011202201), we get a palindrome (223302121203322).

The spelling of 102202110001121 in words is "one hundred two trillion, two hundred two billion, one hundred ten million, one thousand, one hundred twenty-one".

Divisors: 1 13 7861700769317 102202110001121